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publish: chore: Release chainerror version 1.0.0

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Harald Hoyer 2023-07-28 17:17:23 +02:00
parent 4d8e0bf76f
commit 7ebd88a910
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GPG key ID: 900F3C4971086004
32 changed files with 6154 additions and 8673 deletions
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2
.nojekyll
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@ -1 +1 @@
This file makes sure that Github Pages doesn't process mdBook's output.
This file makes sure that Github Pages doesn't process mdBook's output.

99
404.html
View file

@ -3,28 +3,18 @@
<head>
<!-- Book generated using mdBook -->
<meta charset="UTF-8">
<title></title>
<title>Page not found - chainerror</title>
<base href="/">
<!-- Custom HTML head -->
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<meta name="description" content="A tutorial for the chainerror rust crate.">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="theme-color" content="#ffffff" />
<link rel="icon" href="favicon.svg">
<link rel="shortcut icon" href="favicon.png">
<link rel="stylesheet" href="css/variables.css">
<link rel="stylesheet" href="css/general.css">
<link rel="stylesheet" href="css/chrome.css">
@ -32,9 +22,7 @@
<!-- Fonts -->
<link rel="stylesheet" href="FontAwesome/css/font-awesome.css">
<link rel="stylesheet" href="fonts/fonts.css">
<!-- Highlight.js Stylesheets -->
<link rel="stylesheet" href="highlight.css">
@ -42,19 +30,18 @@
<link rel="stylesheet" href="ayu-highlight.css">
<!-- Custom theme stylesheets -->
</head>
<body>
<div id="body-container">
<!-- Provide site root to javascript -->
<script type="text/javascript">
<script>
var path_to_root = "";
var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "navy" : "light";
</script>
<!-- Work around some values being stored in localStorage wrapped in quotes -->
<script type="text/javascript">
<script>
try {
var theme = localStorage.getItem('mdbook-theme');
var sidebar = localStorage.getItem('mdbook-sidebar');
@ -70,7 +57,7 @@
</script>
<!-- Set the theme before any content is loaded, prevents flash -->
<script type="text/javascript">
<script>
var theme;
try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
if (theme === null || theme === undefined) { theme = default_theme; }
@ -82,12 +69,14 @@
</script>
<!-- Hide / unhide sidebar before it is displayed -->
<script type="text/javascript">
<script>
var html = document.querySelector('html');
var sidebar = 'hidden';
var sidebar = null;
if (document.body.clientWidth >= 1080) {
try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
sidebar = sidebar || 'visible';
} else {
sidebar = 'hidden';
}
html.classList.remove('sidebar-visible');
html.classList.add("sidebar-" + sidebar);
@ -100,12 +89,33 @@
<div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
</nav>
<!-- Track and set sidebar scroll position -->
<script>
var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
sidebarScrollbox.addEventListener('click', function(e) {
if (e.target.tagName === 'A') {
sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
}
}, { passive: true });
var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
sessionStorage.removeItem('sidebar-scroll');
if (sidebarScrollTop) {
// preserve sidebar scroll position when navigating via links within sidebar
sidebarScrollbox.scrollTop = sidebarScrollTop;
} else {
// scroll sidebar to current active section when navigating via "next/previous chapter" buttons
var activeSection = document.querySelector('#sidebar .active');
if (activeSection) {
activeSection.scrollIntoView({ block: 'center' });
}
}
</script>
<div id="page-wrapper" class="page-wrapper">
<div class="page">
<div id="menu-bar-hover-placeholder"></div>
<div id="menu-bar" class="menu-bar sticky bordered">
<div id="menu-bar-hover-placeholder"></div>
<div id="menu-bar" class="menu-bar sticky">
<div class="left-buttons">
<button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
<i class="fa fa-bars"></i>
@ -114,17 +124,15 @@
<i class="fa fa-paint-brush"></i>
</button>
<ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
<li role="none"><button role="menuitem" class="theme" id="light">Light (default)</button></li>
<li role="none"><button role="menuitem" class="theme" id="light">Light</button></li>
<li role="none"><button role="menuitem" class="theme" id="rust">Rust</button></li>
<li role="none"><button role="menuitem" class="theme" id="coal">Coal</button></li>
<li role="none"><button role="menuitem" class="theme" id="navy">Navy</button></li>
<li role="none"><button role="menuitem" class="theme" id="ayu">Ayu</button></li>
</ul>
<button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar">
<i class="fa fa-search"></i>
</button>
</div>
<h1 class="menu-title">chainerror</h1>
@ -133,14 +141,13 @@
<a href="print.html" title="Print this book" aria-label="Print this book">
<i id="print-button" class="fa fa-print"></i>
</a>
</div>
</div>
<div id="search-wrapper" class="hidden">
<form id="searchbar-outer" class="searchbar-outer">
<input type="search" name="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
<input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
</form>
<div id="searchresults-outer" class="searchresults-outer hidden">
<div id="searchresults-header" class="searchresults-header"></div>
@ -148,10 +155,9 @@
</ul>
</div>
</div>
<!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM -->
<script type="text/javascript">
<script>
document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible');
document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
@ -161,16 +167,14 @@
<div id="content" class="content">
<main>
<h1><a class="header" href="#document-not-found-404" id="document-not-found-404">Document not found (404)</a></h1>
<h1 id="document-not-found-404"><a class="header" href="#document-not-found-404">Document not found (404)</a></h1>
<p>This URL is invalid, sorry. Please use the navigation bar or search to continue.</p>
</main>
<nav class="nav-wrapper" aria-label="Page navigation">
<!-- Mobile navigation buttons -->
<div style="clear: both"></div>
</nav>
@ -178,41 +182,30 @@
</div>
<nav class="nav-wide-wrapper" aria-label="Page navigation">
</nav>
</div>
<script type="text/javascript">
<script>
window.playground_copyable = true;
</script>
<script src="elasticlunr.min.js" type="text/javascript" charset="utf-8"></script>
<script src="mark.min.js" type="text/javascript" charset="utf-8"></script>
<script src="searcher.js" type="text/javascript" charset="utf-8"></script>
<script src="elasticlunr.min.js"></script>
<script src="mark.min.js"></script>
<script src="searcher.js"></script>
<script src="clipboard.min.js" type="text/javascript" charset="utf-8"></script>
<script src="highlight.js" type="text/javascript" charset="utf-8"></script>
<script src="book.js" type="text/javascript" charset="utf-8"></script>
<script src="clipboard.min.js"></script>
<script src="highlight.js"></script>
<script src="book.js"></script>
<!-- Custom JS scripts -->
</div>
</body>
</html>

201
LICENSE-APACHE Normal file
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@ -0,0 +1,201 @@
Apache License
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http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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21
LICENSE-MIT Normal file
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@ -0,0 +1,21 @@
MIT License
Copyright (c) 2018 Harald Hoyer
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
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The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

1
ayu-highlight.css
View file

@ -8,7 +8,6 @@ Original by Dempfi (https://github.com/dempfi/ayu)
overflow-x: auto;
background: #191f26;
color: #e6e1cf;
padding: 0.5em;
}
.hljs-comment,

72
book.js
View file

@ -4,14 +4,16 @@
window.onunload = function () { };
// Global variable, shared between modules
function playground_text(playground) {
function playground_text(playground, hidden = true) {
let code_block = playground.querySelector("code");
if (window.ace && code_block.classList.contains("editable")) {
let editor = window.ace.edit(code_block);
return editor.getValue();
} else {
} else if (hidden) {
return code_block.textContent;
} else {
return code_block.innerText;
}
}
@ -66,7 +68,7 @@ function playground_text(playground) {
}
// updates the visibility of play button based on `no_run` class and
// used crates vs ones available on http://play.rust-lang.org
// used crates vs ones available on https://play.rust-lang.org
function update_play_button(pre_block, playground_crates) {
var play_button = pre_block.querySelector(".play-button");
@ -108,9 +110,12 @@ function playground_text(playground) {
let text = playground_text(code_block);
let classes = code_block.querySelector('code').classList;
let has_2018 = classes.contains("edition2018");
let edition = has_2018 ? "2018" : "2015";
let edition = "2015";
if(classes.contains("edition2018")) {
edition = "2018";
} else if(classes.contains("edition2021")) {
edition = "2021";
}
var params = {
version: "stable",
optimize: "0",
@ -133,7 +138,15 @@ function playground_text(playground) {
body: JSON.stringify(params)
})
.then(response => response.json())
.then(response => result_block.innerText = response.result)
.then(response => {
if (response.result.trim() === '') {
result_block.innerText = "No output";
result_block.classList.add("result-no-output");
} else {
result_block.innerText = response.result;
result_block.classList.remove("result-no-output");
}
})
.catch(error => result_block.innerText = "Playground Communication: " + error.message);
}
@ -151,12 +164,12 @@ function playground_text(playground) {
if (window.ace) {
// language-rust class needs to be removed for editable
// blocks or highlightjs will capture events
Array
.from(document.querySelectorAll('code.editable'))
code_nodes
.filter(function (node) {return node.classList.contains("editable"); })
.forEach(function (block) { block.classList.remove('language-rust'); });
Array
.from(document.querySelectorAll('code:not(.editable)'))
code_nodes
.filter(function (node) {return !node.classList.contains("editable"); })
.forEach(function (block) { hljs.highlightBlock(block); });
} else {
code_nodes.forEach(function (block) { hljs.highlightBlock(block); });
@ -166,7 +179,7 @@ function playground_text(playground) {
// even if highlighting doesn't apply
code_nodes.forEach(function (block) { block.classList.add('hljs'); });
Array.from(document.querySelectorAll("code.language-rust")).forEach(function (block) {
Array.from(document.querySelectorAll("code.hljs")).forEach(function (block) {
var lines = Array.from(block.querySelectorAll('.boring'));
// If no lines were hidden, return
@ -288,6 +301,13 @@ function playground_text(playground) {
themePopup.querySelector("button#" + get_theme()).focus();
}
function updateThemeSelected() {
themePopup.querySelectorAll('.theme-selected').forEach(function (el) {
el.classList.remove('theme-selected');
});
themePopup.querySelector("button#" + get_theme()).classList.add('theme-selected');
}
function hideThemes() {
themePopup.style.display = 'none';
themeToggleButton.setAttribute('aria-expanded', false);
@ -326,7 +346,7 @@ function playground_text(playground) {
}
setTimeout(function () {
themeColorMetaTag.content = getComputedStyle(document.body).backgroundColor;
themeColorMetaTag.content = getComputedStyle(document.documentElement).backgroundColor;
}, 1);
if (window.ace && window.editors) {
@ -343,6 +363,7 @@ function playground_text(playground) {
html.classList.remove(previousTheme);
html.classList.add(theme);
updateThemeSelected();
}
// Set theme
@ -359,7 +380,14 @@ function playground_text(playground) {
});
themePopup.addEventListener('click', function (e) {
var theme = e.target.id || e.target.parentElement.id;
var theme;
if (e.target.className === "theme") {
theme = e.target.id;
} else if (e.target.parentElement.className === "theme") {
theme = e.target.parentElement.id;
} else {
return;
}
set_theme(theme);
});
@ -523,13 +551,6 @@ function playground_text(playground) {
firstContact = null;
}
}, { passive: true });
// Scroll sidebar to current active section
var activeSection = document.getElementById("sidebar").querySelector(".active");
if (activeSection) {
// https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView
activeSection.scrollIntoView({ block: 'center' });
}
})();
(function chapterNavigation() {
@ -573,7 +594,7 @@ function playground_text(playground) {
text: function (trigger) {
hideTooltip(trigger);
let playground = trigger.closest("pre");
return playground_text(playground);
return playground_text(playground, false);
}
});
@ -648,13 +669,14 @@ function playground_text(playground) {
}, { passive: true });
})();
(function controllBorder() {
menu.classList.remove('bordered');
document.addEventListener('scroll', function () {
function updateBorder() {
if (menu.offsetTop === 0) {
menu.classList.remove('bordered');
} else {
menu.classList.add('bordered');
}
}, { passive: true });
}
updateBorder();
document.addEventListener('scroll', updateBorder, { passive: true });
})();
})();

84
css/chrome.css
View file

@ -2,12 +2,6 @@
@import 'variables.css';
::-webkit-scrollbar {
background: var(--bg);
}
::-webkit-scrollbar-thumb {
background: var(--scrollbar);
}
html {
scrollbar-color: var(--scrollbar) var(--bg);
}
@ -18,6 +12,19 @@ a > .hljs {
color: var(--links);
}
/*
body-container is necessary because mobile browsers don't seem to like
overflow-x on the body tag when there is a <meta name="viewport"> tag.
*/
#body-container {
/*
This is used when the sidebar pushes the body content off the side of
the screen on small screens. Without it, dragging on mobile Safari
will want to reposition the viewport in a weird way.
*/
overflow-x: clip;
}
/* Menu Bar */
#menu-bar,
@ -93,7 +100,7 @@ a > .hljs {
.menu-title {
display: inline-block;
font-weight: 200;
font-size: 2rem;
font-size: 2.4rem;
line-height: var(--menu-bar-height);
text-align: center;
margin: 0;
@ -208,24 +215,63 @@ pre {
pre > .buttons {
position: absolute;
z-index: 100;
right: 5px;
top: 5px;
right: 0px;
top: 2px;
margin: 0px;
padding: 2px 0px;
color: var(--sidebar-fg);
cursor: pointer;
visibility: hidden;
opacity: 0;
transition: visibility 0.1s linear, opacity 0.1s linear;
}
pre:hover > .buttons {
visibility: visible;
opacity: 1
}
pre > .buttons :hover {
color: var(--sidebar-active);
border-color: var(--icons-hover);
background-color: var(--theme-hover);
}
pre > .buttons i {
margin-left: 8px;
}
pre > .buttons button {
color: inherit;
background: transparent;
border: none;
cursor: inherit;
margin: 0px 5px;
padding: 3px 5px;
font-size: 14px;
border-style: solid;
border-width: 1px;
border-radius: 4px;
border-color: var(--icons);
background-color: var(--theme-popup-bg);
transition: 100ms;
transition-property: color,border-color,background-color;
color: var(--icons);
}
@media (pointer: coarse) {
pre > .buttons button {
/* On mobile, make it easier to tap buttons. */
padding: 0.3rem 1rem;
}
}
pre > code {
padding: 1rem;
}
/* FIXME: ACE editors overlap their buttons because ACE does absolute
positioning within the code block which breaks padding. The only solution I
can think of is to move the padding to the outer pre tag (or insert a div
wrapper), but that would require fixing a whole bunch of CSS rules.
*/
.hljs.ace_editor {
padding: 0rem 0rem;
}
pre > .result {
margin-top: 10px;
}
@ -468,6 +514,8 @@ ul#searchresults span.teaser em {
padding: 0;
list-style: none;
display: none;
/* Don't let the children's background extend past the rounded corners. */
overflow: hidden;
}
.theme-popup .default {
color: var(--icons);
@ -476,7 +524,7 @@ ul#searchresults span.teaser em {
width: 100%;
border: 0;
margin: 0;
padding: 2px 10px;
padding: 2px 20px;
line-height: 25px;
white-space: nowrap;
text-align: left;
@ -488,8 +536,10 @@ ul#searchresults span.teaser em {
.theme-popup .theme:hover {
background-color: var(--theme-hover);
}
.theme-popup .theme:hover:first-child,
.theme-popup .theme:hover:last-child {
border-top-left-radius: inherit;
border-top-right-radius: inherit;
.theme-selected::before {
display: inline-block;
content: "✓";
margin-left: -14px;
width: 14px;
}

55
css/general.css
View file

@ -12,6 +12,7 @@ html {
color: var(--fg);
background-color: var(--bg);
text-size-adjust: none;
-webkit-text-size-adjust: none;
}
body {
@ -21,8 +22,18 @@ body {
}
code {
font-family: "Source Code Pro", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace !important;
font-size: 0.875em; /* please adjust the ace font size accordingly in editor.js */
font-family: var(--mono-font) !important;
font-size: var(--code-font-size);
}
/* make long words/inline code not x overflow */
main {
overflow-wrap: break-word;
}
/* make wide tables scroll if they overflow */
.table-wrapper {
overflow-x: auto;
}
/* Don't change font size in headers. */
@ -45,20 +56,23 @@ h4, h5 { margin-top: 2em; }
margin-top: 1em;
}
h1 a.header:target::before,
h2 a.header:target::before,
h3 a.header:target::before,
h4 a.header:target::before {
h1:target::before,
h2:target::before,
h3:target::before,
h4:target::before,
h5:target::before,
h6:target::before {
display: inline-block;
content: "»";
margin-left: -30px;
width: 30px;
}
h1 a.header:target,
h2 a.header:target,
h3 a.header:target,
h4 a.header:target {
/* This is broken on Safari as of version 14, but is fixed
in Safari Technology Preview 117 which I think will be Safari 14.2.
https://bugs.webkit.org/show_bug.cgi?id=218076
*/
:target {
scroll-margin-top: calc(var(--menu-bar-height) + 0.5em);
}
@ -76,8 +90,7 @@ h4 a.header:target {
.content {
overflow-y: auto;
padding: 0 15px;
padding-bottom: 50px;
padding: 0 5px 50px 5px;
}
.content main {
margin-left: auto;
@ -89,7 +102,7 @@ h4 a.header:target {
.content ul { line-height: 1.45em; }
.content a { text-decoration: none; }
.content a:hover { text-decoration: underline; }
.content img { max-width: 100%; }
.content img, .content video { max-width: 100%; }
.content .header:link,
.content .header:visited {
color: var(--fg);
@ -135,6 +148,18 @@ blockquote {
border-bottom: .1em solid var(--quote-border);
}
kbd {
background-color: var(--table-border-color);
border-radius: 4px;
border: solid 1px var(--theme-popup-border);
box-shadow: inset 0 -1px 0 var(--theme-hover);
display: inline-block;
font-size: var(--code-font-size);
font-family: var(--mono-font);
line-height: 10px;
padding: 4px 5px;
vertical-align: middle;
}
:not(.footnote-definition) + .footnote-definition,
.footnote-definition + :not(.footnote-definition) {
@ -172,3 +197,7 @@ blockquote {
margin: 5px 0px;
font-weight: bold;
}
.result-no-output {
font-style: italic;
}

24
css/variables.css
View file

@ -6,6 +6,8 @@
--page-padding: 15px;
--content-max-width: 750px;
--menu-bar-height: 50px;
--mono-font: "Source Code Pro", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace;
--code-font-size: 0.875em /* please adjust the ace font size accordingly in editor.js */
}
/* Themes */
@ -67,7 +69,7 @@
--links: #2b79a2;
--inline-code-color: #c5c8c6;;
--inline-code-color: #c5c8c6;
--theme-popup-bg: #141617;
--theme-popup-border: #43484d;
@ -92,22 +94,22 @@
.light {
--bg: hsl(0, 0%, 100%);
--fg: #333333;
--fg: hsl(0, 0%, 0%);
--sidebar-bg: #fafafa;
--sidebar-fg: #364149;
--sidebar-fg: hsl(0, 0%, 0%);
--sidebar-non-existant: #aaaaaa;
--sidebar-active: #008cff;
--sidebar-active: #1f1fff;
--sidebar-spacer: #f4f4f4;
--scrollbar: #cccccc;
--scrollbar: #8F8F8F;
--icons: #cccccc;
--icons-hover: #333333;
--icons: #747474;
--icons-hover: #000000;
--links: #4183c4;
--links: #20609f;
--inline-code-color: #6e6b5e;
--inline-code-color: #301900;
--theme-popup-bg: #fafafa;
--theme-popup-border: #cccccc;
@ -147,7 +149,7 @@
--links: #2b79a2;
--inline-code-color: #c5c8c6;;
--inline-code-color: #c5c8c6;
--theme-popup-bg: #161923;
--theme-popup-border: #737480;
@ -228,7 +230,7 @@
--links: #2b79a2;
--inline-code-color: #c5c8c6;;
--inline-code-color: #c5c8c6;
--theme-popup-bg: #141617;
--theme-popup-border: #43484d;

98
end.html
View file

@ -4,25 +4,16 @@
<!-- Book generated using mdBook -->
<meta charset="UTF-8">
<title>The End - chainerror</title>
<!-- Custom HTML head -->
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<meta name="description" content="A tutorial for the chainerror rust crate.">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="theme-color" content="#ffffff" />
<link rel="icon" href="favicon.svg">
<link rel="shortcut icon" href="favicon.png">
<link rel="stylesheet" href="css/variables.css">
<link rel="stylesheet" href="css/general.css">
<link rel="stylesheet" href="css/chrome.css">
@ -30,9 +21,7 @@
<!-- Fonts -->
<link rel="stylesheet" href="FontAwesome/css/font-awesome.css">
<link rel="stylesheet" href="fonts/fonts.css">
<!-- Highlight.js Stylesheets -->
<link rel="stylesheet" href="highlight.css">
@ -40,19 +29,18 @@
<link rel="stylesheet" href="ayu-highlight.css">
<!-- Custom theme stylesheets -->
</head>
<body>
<div id="body-container">
<!-- Provide site root to javascript -->
<script type="text/javascript">
<script>
var path_to_root = "";
var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "navy" : "light";
</script>
<!-- Work around some values being stored in localStorage wrapped in quotes -->
<script type="text/javascript">
<script>
try {
var theme = localStorage.getItem('mdbook-theme');
var sidebar = localStorage.getItem('mdbook-sidebar');
@ -68,7 +56,7 @@
</script>
<!-- Set the theme before any content is loaded, prevents flash -->
<script type="text/javascript">
<script>
var theme;
try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
if (theme === null || theme === undefined) { theme = default_theme; }
@ -80,12 +68,14 @@
</script>
<!-- Hide / unhide sidebar before it is displayed -->
<script type="text/javascript">
<script>
var html = document.querySelector('html');
var sidebar = 'hidden';
var sidebar = null;
if (document.body.clientWidth >= 1080) {
try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
sidebar = sidebar || 'visible';
} else {
sidebar = 'hidden';
}
html.classList.remove('sidebar-visible');
html.classList.add("sidebar-" + sidebar);
@ -98,12 +88,33 @@
<div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
</nav>
<!-- Track and set sidebar scroll position -->
<script>
var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
sidebarScrollbox.addEventListener('click', function(e) {
if (e.target.tagName === 'A') {
sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
}
}, { passive: true });
var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
sessionStorage.removeItem('sidebar-scroll');
if (sidebarScrollTop) {
// preserve sidebar scroll position when navigating via links within sidebar
sidebarScrollbox.scrollTop = sidebarScrollTop;
} else {
// scroll sidebar to current active section when navigating via "next/previous chapter" buttons
var activeSection = document.querySelector('#sidebar .active');
if (activeSection) {
activeSection.scrollIntoView({ block: 'center' });
}
}
</script>
<div id="page-wrapper" class="page-wrapper">
<div class="page">
<div id="menu-bar-hover-placeholder"></div>
<div id="menu-bar" class="menu-bar sticky bordered">
<div id="menu-bar-hover-placeholder"></div>
<div id="menu-bar" class="menu-bar sticky">
<div class="left-buttons">
<button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
<i class="fa fa-bars"></i>
@ -112,17 +123,15 @@
<i class="fa fa-paint-brush"></i>
</button>
<ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
<li role="none"><button role="menuitem" class="theme" id="light">Light (default)</button></li>
<li role="none"><button role="menuitem" class="theme" id="light">Light</button></li>
<li role="none"><button role="menuitem" class="theme" id="rust">Rust</button></li>
<li role="none"><button role="menuitem" class="theme" id="coal">Coal</button></li>
<li role="none"><button role="menuitem" class="theme" id="navy">Navy</button></li>
<li role="none"><button role="menuitem" class="theme" id="ayu">Ayu</button></li>
</ul>
<button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar">
<i class="fa fa-search"></i>
</button>
</div>
<h1 class="menu-title">chainerror</h1>
@ -131,14 +140,13 @@
<a href="print.html" title="Print this book" aria-label="Print this book">
<i id="print-button" class="fa fa-print"></i>
</a>
</div>
</div>
<div id="search-wrapper" class="hidden">
<form id="searchbar-outer" class="searchbar-outer">
<input type="search" name="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
<input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
</form>
<div id="searchresults-outer" class="searchresults-outer hidden">
<div id="searchresults-header" class="searchresults-header"></div>
@ -146,10 +154,9 @@
</ul>
</div>
</div>
<!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM -->
<script type="text/javascript">
<script>
document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible');
document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
@ -159,7 +166,7 @@
<div id="content" class="content">
<main>
<h1><a class="header" href="#the-end" id="the-end">The End</a></h1>
<h1 id="the-end"><a class="header" href="#the-end">The End</a></h1>
<p>That's it for now…</p>
<p>Happy error handling!</p>
<p>To report issues, submit pull request or for the source code, examples and the book source, visit
@ -169,13 +176,10 @@ the <a href="https://github.com/haraldh/chainerror">Git Repo</a>.</p>
<nav class="nav-wrapper" aria-label="Page navigation">
<!-- Mobile navigation buttons -->
<a rel="prev" href="tutorial14.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
<i class="fa fa-angle-left"></i>
</a>
<div style="clear: both"></div>
</nav>
@ -183,45 +187,33 @@ the <a href="https://github.com/haraldh/chainerror">Git Repo</a>.</p>
</div>
<nav class="nav-wide-wrapper" aria-label="Page navigation">
<a rel="prev" href="tutorial14.html" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
<i class="fa fa-angle-left"></i>
</a>
</nav>
</div>
<script type="text/javascript">
<script>
window.playground_copyable = true;
</script>
<script src="elasticlunr.min.js" type="text/javascript" charset="utf-8"></script>
<script src="mark.min.js" type="text/javascript" charset="utf-8"></script>
<script src="searcher.js" type="text/javascript" charset="utf-8"></script>
<script src="elasticlunr.min.js"></script>
<script src="mark.min.js"></script>
<script src="searcher.js"></script>
<script src="clipboard.min.js" type="text/javascript" charset="utf-8"></script>
<script src="highlight.js" type="text/javascript" charset="utf-8"></script>
<script src="book.js" type="text/javascript" charset="utf-8"></script>
<script src="clipboard.min.js"></script>
<script src="highlight.js"></script>
<script src="book.js"></script>
<!-- Custom JS scripts -->
</div>
</body>
</html>

3
fonts/fonts.css
View file

@ -96,6 +96,5 @@
font-family: 'Source Code Pro';
font-style: normal;
font-weight: 500;
src: local('Source Code Pro Medium'), local('SourceCodePro-Medium'),
url('source-code-pro-v11-all-charsets-500.woff2') format('woff2');
src: url('source-code-pro-v11-all-charsets-500.woff2') format('woff2');
}

39
highlight.css
View file

@ -1,14 +1,18 @@
/* Base16 Atelier Dune Light - Theme */
/* by Bram de Haan (http://atelierbram.github.io/syntax-highlighting/atelier-schemes/dune) */
/* Original Base16 color scheme by Chris Kempson (https://github.com/chriskempson/base16) */
/*
* An increased contrast highlighting scheme loosely based on the
* "Base16 Atelier Dune Light" theme by Bram de Haan
* (http://atelierbram.github.io/syntax-highlighting/atelier-schemes/dune)
* Original Base16 color scheme by Chris Kempson
* (https://github.com/chriskempson/base16)
*/
/* Atelier-Dune Comment */
/* Comment */
.hljs-comment,
.hljs-quote {
color: #AAA;
color: #575757;
}
/* Atelier-Dune Red */
/* Red */
.hljs-variable,
.hljs-template-variable,
.hljs-attribute,
@ -19,10 +23,10 @@
.hljs-name,
.hljs-selector-id,
.hljs-selector-class {
color: #d73737;
color: #d70025;
}
/* Atelier-Dune Orange */
/* Orange */
.hljs-number,
.hljs-meta,
.hljs-built_in,
@ -30,34 +34,33 @@
.hljs-literal,
.hljs-type,
.hljs-params {
color: #b65611;
color: #b21e00;
}
/* Atelier-Dune Green */
/* Green */
.hljs-string,
.hljs-symbol,
.hljs-bullet {
color: #60ac39;
color: #008200;
}
/* Atelier-Dune Blue */
/* Blue */
.hljs-title,
.hljs-section {
color: #6684e1;
color: #0030f2;
}
/* Atelier-Dune Purple */
/* Purple */
.hljs-keyword,
.hljs-selector-tag {
color: #b854d4;
color: #9d00ec;
}
.hljs {
display: block;
overflow-x: auto;
background: #f1f1f1;
color: #6e6b5e;
padding: 0.5em;
background: #f6f7f6;
color: #000;
}
.hljs-emphasis {

199
index.html
View file

@ -4,25 +4,16 @@
<!-- Book generated using mdBook -->
<meta charset="UTF-8">
<title>chainerror - chainerror</title>
<!-- Custom HTML head -->
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<meta name="description" content="A tutorial for the chainerror rust crate.">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="theme-color" content="#ffffff" />
<link rel="icon" href="favicon.svg">
<link rel="shortcut icon" href="favicon.png">
<link rel="stylesheet" href="css/variables.css">
<link rel="stylesheet" href="css/general.css">
<link rel="stylesheet" href="css/chrome.css">
@ -30,9 +21,7 @@
<!-- Fonts -->
<link rel="stylesheet" href="FontAwesome/css/font-awesome.css">
<link rel="stylesheet" href="fonts/fonts.css">
<!-- Highlight.js Stylesheets -->
<link rel="stylesheet" href="highlight.css">
@ -40,19 +29,18 @@
<link rel="stylesheet" href="ayu-highlight.css">
<!-- Custom theme stylesheets -->
</head>
<body>
<div id="body-container">
<!-- Provide site root to javascript -->
<script type="text/javascript">
<script>
var path_to_root = "";
var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "navy" : "light";
</script>
<!-- Work around some values being stored in localStorage wrapped in quotes -->
<script type="text/javascript">
<script>
try {
var theme = localStorage.getItem('mdbook-theme');
var sidebar = localStorage.getItem('mdbook-sidebar');
@ -68,7 +56,7 @@
</script>
<!-- Set the theme before any content is loaded, prevents flash -->
<script type="text/javascript">
<script>
var theme;
try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
if (theme === null || theme === undefined) { theme = default_theme; }
@ -80,12 +68,14 @@
</script>
<!-- Hide / unhide sidebar before it is displayed -->
<script type="text/javascript">
<script>
var html = document.querySelector('html');
var sidebar = 'hidden';
var sidebar = null;
if (document.body.clientWidth >= 1080) {
try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
sidebar = sidebar || 'visible';
} else {
sidebar = 'hidden';
}
html.classList.remove('sidebar-visible');
html.classList.add("sidebar-" + sidebar);
@ -98,12 +88,33 @@
<div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
</nav>
<!-- Track and set sidebar scroll position -->
<script>
var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
sidebarScrollbox.addEventListener('click', function(e) {
if (e.target.tagName === 'A') {
sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
}
}, { passive: true });
var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
sessionStorage.removeItem('sidebar-scroll');
if (sidebarScrollTop) {
// preserve sidebar scroll position when navigating via links within sidebar
sidebarScrollbox.scrollTop = sidebarScrollTop;
} else {
// scroll sidebar to current active section when navigating via "next/previous chapter" buttons
var activeSection = document.querySelector('#sidebar .active');
if (activeSection) {
activeSection.scrollIntoView({ block: 'center' });
}
}
</script>
<div id="page-wrapper" class="page-wrapper">
<div class="page">
<div id="menu-bar-hover-placeholder"></div>
<div id="menu-bar" class="menu-bar sticky bordered">
<div id="menu-bar-hover-placeholder"></div>
<div id="menu-bar" class="menu-bar sticky">
<div class="left-buttons">
<button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
<i class="fa fa-bars"></i>
@ -112,17 +123,15 @@
<i class="fa fa-paint-brush"></i>
</button>
<ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
<li role="none"><button role="menuitem" class="theme" id="light">Light (default)</button></li>
<li role="none"><button role="menuitem" class="theme" id="light">Light</button></li>
<li role="none"><button role="menuitem" class="theme" id="rust">Rust</button></li>
<li role="none"><button role="menuitem" class="theme" id="coal">Coal</button></li>
<li role="none"><button role="menuitem" class="theme" id="navy">Navy</button></li>
<li role="none"><button role="menuitem" class="theme" id="ayu">Ayu</button></li>
</ul>
<button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar">
<i class="fa fa-search"></i>
</button>
</div>
<h1 class="menu-title">chainerror</h1>
@ -131,14 +140,13 @@
<a href="print.html" title="Print this book" aria-label="Print this book">
<i id="print-button" class="fa fa-print"></i>
</a>
</div>
</div>
<div id="search-wrapper" class="hidden">
<form id="searchbar-outer" class="searchbar-outer">
<input type="search" name="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
<input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
</form>
<div id="searchresults-outer" class="searchresults-outer hidden">
<div id="searchresults-header" class="searchresults-header"></div>
@ -146,10 +154,9 @@
</ul>
</div>
</div>
<!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM -->
<script type="text/javascript">
<script>
document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible');
document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
@ -161,12 +168,9 @@
<main>
<p><a href="https://crates.io/crates/chainerror"><img src="https://img.shields.io/crates/v/chainerror.svg" alt="Crate" /></a>
<a href="https://docs.rs/chainerror/"><img src="https://img.shields.io/badge/api-rustdoc-blue.svg" alt="Rust Documentation" /></a>
<a href="https://coveralls.io/github/haraldh/chainerror?branch=master"><img src="https://coveralls.io/repos/github/haraldh/chainerror/badge.svg?branch=master" alt="Coverage Status" /></a>
<a href="https://github.com/haraldh/chainerror/actions?query=workflow%3A%22Rust%22"><img src="https://github.com/haraldh/chainerror/workflows/Rust/badge.svg" alt="Workflow Status" /></a>
<a href="https://isitmaintained.com/project/haraldh/chainerror" title="Average time to resolve an issue"><img src="https://isitmaintained.com/badge/resolution/haraldh/chainerror.svg" alt="Average time to resolve an issue" /></a>
<a href="https://isitmaintained.com/project/haraldh/chainerror" title="Percentage of issues still open"><img src="https://isitmaintained.com/badge/open/haraldh/chainerror.svg" alt="Percentage of issues still open" /></a>
<a href="https://codecov.io/gh/haraldh/chainerror"><img src="https://codecov.io/gh/haraldh/chainerror/branch/master/graph/badge.svg?token=HGLJFGA11B" alt="Coverage Status" /></a>
<img src="https://img.shields.io/badge/maintenance-activly--developed-brightgreen.svg" alt="Maintenance" /></p>
<h1><a class="header" href="#chainerror" id="chainerror">chainerror</a></h1>
<h1 id="chainerror"><a class="header" href="#chainerror">chainerror</a></h1>
<p><code>chainerror</code> provides an error backtrace without doing a real backtrace, so even after you <code>strip</code> your
binaries, you still have the error backtrace.</p>
<p>Having nested function returning errors, the output doesn't tell where the error originates from.</p>
@ -191,15 +195,14 @@ fn main() {
if let Err(e) = process_config_file() {
eprintln!(&quot;Error:\n{:?}&quot;, e);
}
}
</code></pre></pre>
}</code></pre></pre>
<p>This gives the output:</p>
<pre><code class="language-console">Error:
Os { code: 2, kind: NotFound, message: &quot;No such file or directory&quot; }
</code></pre>
<p>and you have no idea where it comes from.</p>
<p>With <code>chainerror</code>, you can supply a context and get a nice error backtrace:</p>
<pre><pre class="playground"><code class="language-rust">use chainerror::prelude::v1::*;
<pre><pre class="playground"><code class="language-rust">use chainerror::Context as _;
use std::path::PathBuf;
type BoxedError = Box&lt;dyn std::error::Error + Send + Sync&gt;;
@ -221,8 +224,7 @@ fn main() {
if let Err(e) = process_config_file() {
eprintln!(&quot;Error:\n{:?}&quot;, e);
}
}
</code></pre></pre>
}</code></pre></pre>
<p>with the output:</p>
<pre><code class="language-console">Error:
examples/simple.rs:14:51: read the config file
@ -233,22 +235,92 @@ Os { code: 2, kind: NotFound, message: &quot;No such file or directory&quot; }
</code></pre>
<p><code>chainerror</code> uses <code>.source()</code> of <code>std::error::Error</code> along with <code>#[track_caller]</code> and <code>Location</code> to provide a nice debug error backtrace.
It encapsulates all types, which have <code>Display + Debug</code> and can store the error cause internally.</p>
<p>Along with the <code>ChainError&lt;T&gt;</code> struct, <code>chainerror</code> comes with some useful helper macros to save a lot of typing.</p>
<p>Along with the <code>Error&lt;T&gt;</code> struct, <code>chainerror</code> comes with some useful helper macros to save a lot of typing.</p>
<p><code>chainerror</code> has no dependencies!</p>
<p>Debug information is worth it!</p>
<h3><a class="header" href="#features" id="features">Features</a></h3>
<p><code>display-cause</code>
: turn on printing a backtrace of the errors in <code>Display</code></p>
<h2><a class="header" href="#tutorial" id="tutorial">Tutorial</a></h2>
<h2 id="multiple-output-formats"><a class="header" href="#multiple-output-formats">Multiple Output Formats</a></h2>
<p><code>chainerror</code> supports multiple output formats, which can be selected with the different format specifiers:</p>
<ul>
<li><code>{}</code>: Display</li>
</ul>
<pre><code class="language-console">func1 error calling func2
</code></pre>
<ul>
<li><code>{:#}</code>: Alternative Display</li>
</ul>
<pre><code class="language-console">func1 error calling func2
Caused by:
func2 error: calling func3
Caused by:
(passed error)
Caused by:
Error reading 'foo.txt'
Caused by:
entity not found
</code></pre>
<ul>
<li><code>{:?}</code>: Debug</li>
</ul>
<pre><code class="language-console">examples/example.rs:50:13: func1 error calling func2
Caused by:
examples/example.rs:25:13: Func2Error(func2 error: calling func3)
Caused by:
examples/example.rs:18:13: (passed error)
Caused by:
examples/example.rs:13:18: Error reading 'foo.txt'
Caused by:
Kind(NotFound)
</code></pre>
<ul>
<li><code>{:#?}</code>: Alternative Debug</li>
</ul>
<pre><code class="language-console">Error&lt;example::Func1Error&gt; {
occurrence: Some(
&quot;examples/example.rs:50:13&quot;,
),
kind: func1 error calling func2,
source: Some(
Error&lt;example::Func2Error&gt; {
occurrence: Some(
&quot;examples/example.rs:25:13&quot;,
),
kind: Func2Error(func2 error: calling func3),
source: Some(
Error&lt;chainerror::AnnotatedError&gt; {
occurrence: Some(
&quot;examples/example.rs:18:13&quot;,
),
kind: (passed error),
source: Some(
Error&lt;alloc::string::String&gt; {
occurrence: Some(
&quot;examples/example.rs:13:18&quot;,
),
kind: &quot;Error reading 'foo.txt'&quot;,
source: Some(
Kind(
NotFound,
),
),
},
),
},
),
},
),
}
</code></pre>
<h2 id="tutorial"><a class="header" href="#tutorial">Tutorial</a></h2>
<p>Read the <a href="https://haraldh.github.io/chainerror/tutorial1.html">Tutorial</a></p>
<h2><a class="header" href="#license" id="license">License</a></h2>
<h2 id="license"><a class="header" href="#license">License</a></h2>
<p>Licensed under either of</p>
<ul>
<li>Apache License, Version 2.0, (<a href="LICENSE-APACHE">LICENSE-APACHE</a> or https://www.apache.org/licenses/LICENSE-2.0)</li>
<li>MIT license (<a href="LICENSE-MIT">LICENSE-MIT</a> or https://opensource.org/licenses/MIT)</li>
<li>Apache License, Version 2.0, (<a href="LICENSE-APACHE">LICENSE-APACHE</a> or <a href="https://www.apache.org/licenses/LICENSE-2.0">https://www.apache.org/licenses/LICENSE-2.0</a>)</li>
<li>MIT license (<a href="LICENSE-MIT">LICENSE-MIT</a> or <a href="https://opensource.org/licenses/MIT">https://opensource.org/licenses/MIT</a>)</li>
</ul>
<p>at your option.</p>
<h3><a class="header" href="#contribution" id="contribution">Contribution</a></h3>
<h3 id="contribution"><a class="header" href="#contribution">Contribution</a></h3>
<p>Unless you explicitly state otherwise, any contribution intentionally
submitted for inclusion in the work by you, as defined in the Apache-2.0
license, shall be dual licensed as above, without any additional terms or
@ -258,13 +330,10 @@ conditions.</p>
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<div style="clear: both"></div>
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@ -272,45 +341,33 @@ conditions.</p>
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@ -145,6 +145,11 @@ window.search = window.search || {};
url.push("");
}
// encodeURIComponent escapes all chars that could allow an XSS except
// for '. Due to that we also manually replace ' with its url-encoded
// representation (%27).
var searchterms = encodeURIComponent(searchterms.join(" ")).replace(/\'/g, "%27");
return '<a href="' + path_to_root + url[0] + '?' + URL_MARK_PARAM + '=' + searchterms + '#' + url[1]
+ '" aria-details="teaser_' + teaser_count + '">' + result.doc.breadcrumbs + '</a>'
+ '<span class="teaser" id="teaser_' + teaser_count + '" aria-label="Search Result Teaser">'
@ -291,7 +296,7 @@ window.search = window.search || {};
}
if (url.params.hasOwnProperty(URL_MARK_PARAM)) {
var words = url.params[URL_MARK_PARAM].split(' ');
var words = decodeURIComponent(url.params[URL_MARK_PARAM]).split(' ');
marker.mark(words, {
exclude: mark_exclude
});
@ -422,6 +427,7 @@ window.search = window.search || {};
delete url.params[URL_MARK_PARAM];
url.hash = "";
} else {
delete url.params[URL_MARK_PARAM];
delete url.params[URL_SEARCH_PARAM];
}
// A new search will also add a new history item, so the user can go back

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@ -1,7 +1,7 @@
/* Tomorrow Night Theme */
/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
/* https://github.com/jmblog/color-themes-for-highlightjs */
/* Original theme - https://github.com/chriskempson/tomorrow-theme */
/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
/* https://github.com/jmblog/color-themes-for-highlightjs */
/* Tomorrow Comment */
.hljs-comment {
@ -81,8 +81,6 @@
overflow-x: auto;
background: #1d1f21;
color: #c5c8c6;
padding: 0.5em;
-webkit-text-size-adjust: none;
}
.coffeescript .javascript,

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@ -4,25 +4,16 @@
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<meta charset="UTF-8">
<title>Simple String Errors - chainerror</title>
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<meta name="description" content="A tutorial for the chainerror rust crate.">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="theme-color" content="#ffffff" />
<link rel="icon" href="favicon.svg">
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<link rel="stylesheet" href="css/variables.css">
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@ -30,9 +21,7 @@
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@ -40,19 +29,18 @@
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@ -68,7 +56,7 @@
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<script type="text/javascript">
<script>
var theme;
try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
if (theme === null || theme === undefined) { theme = default_theme; }
@ -80,12 +68,14 @@
</script>
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<script type="text/javascript">
<script>
var html = document.querySelector('html');
var sidebar = 'hidden';
var sidebar = null;
if (document.body.clientWidth >= 1080) {
try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
sidebar = sidebar || 'visible';
} else {
sidebar = 'hidden';
}
html.classList.remove('sidebar-visible');
html.classList.add("sidebar-" + sidebar);
@ -98,12 +88,33 @@
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</nav>
<!-- Track and set sidebar scroll position -->
<script>
var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
sidebarScrollbox.addEventListener('click', function(e) {
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sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
}
}, { passive: true });
var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
sessionStorage.removeItem('sidebar-scroll');
if (sidebarScrollTop) {
// preserve sidebar scroll position when navigating via links within sidebar
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} else {
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}
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</script>
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@ -112,17 +123,15 @@
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<h1 class="menu-title">chainerror</h1>
@ -131,14 +140,13 @@
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<i id="print-button" class="fa fa-print"></i>
</a>
</div>
</div>
<div id="search-wrapper" class="hidden">
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<div id="searchresults-outer" class="searchresults-outer hidden">
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@ -146,10 +154,9 @@
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Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
@ -159,7 +166,7 @@
<div id="content" class="content">
<main>
<h1><a class="header" href="#simple-string-errors" id="simple-string-errors">Simple String Errors</a></h1>
<h1 id="simple-string-errors"><a class="header" href="#simple-string-errors">Simple String Errors</a></h1>
<p>An easy way of doing error handling in rust is by returning <code>String</code> as a <code>Box&lt;std::error::Error&gt;</code>.</p>
<p>If the rust <code>main</code> function returns an <code>Err()</code>, this <code>Err()</code> will be displayed with <code>std::fmt::Debug</code>.</p>
<p>As you can see by running the example (by pressing the &quot;Play&quot; button in upper right of the code block),
@ -173,9 +180,11 @@ and improves inspecting the sources of an error.</p>
<a href="https://github.com/haraldh/chainerror">chainerror git repo</a>.</p>
<pre><code class="language-console">$ cargo run -q --example tutorial1
</code></pre>
<pre><pre class="playground"><code class="language-rust">use std::error::Error;
<pre><pre class="playground"><code class="language-rust">#![allow(clippy::single_match)]
#![allow(clippy::redundant_pattern_matching)]
use std::error::Error;
use std::io;
use std::result::Result;
fn do_some_io() -&gt; Result&lt;(), Box&lt;dyn Error + Send + Sync&gt;&gt; {
Err(io::Error::from(io::ErrorKind::NotFound))?;
@ -198,24 +207,19 @@ fn func1() -&gt; Result&lt;(), Box&lt;dyn Error + Send + Sync&gt;&gt; {
fn main() -&gt; Result&lt;(), Box&lt;dyn Error + Send + Sync&gt;&gt; {
func1()
}
</code></pre></pre>
}</code></pre></pre>
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@ -223,49 +227,36 @@ fn main() -&gt; Result&lt;(), Box&lt;dyn Error + Send + Sync&gt;&gt; {
</div>
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@ -4,25 +4,16 @@
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@ -159,10 +166,13 @@
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<h1><a class="header" href="#going-back-to-std" id="going-back-to-std">Going back to std</a></h1>
<h1 id="going-back-to-std"><a class="header" href="#going-back-to-std">Going back to std</a></h1>
<p>Not using <code>chainerror</code> and going full <code>std</code> would look like this:</p>
<p>Btw, the code size is bigger than using <code>chainerror</code> :-)</p>
<pre><pre class="playground"><code class="language-rust">pub mod mycrate {
<pre><pre class="playground"><code class="language-rust">#![allow(clippy::single_match)]
#![allow(clippy::redundant_pattern_matching)]
pub mod mycrate {
use std::error::Error as StdError;
use self::func2mod::{do_some_io, func2};
@ -380,24 +390,19 @@ fn main() -&gt; Result&lt;(), Box&lt;dyn std::error::Error + Send + Sync&gt;&gt;
std::process::exit(1);
}
Ok(())
}
</code></pre></pre>
}</code></pre></pre>
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@ -405,49 +410,36 @@ fn main() -&gt; Result&lt;(), Box&lt;dyn std::error::Error + Send + Sync&gt;&gt;
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