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18 lines
472 B
Markdown
18 lines
472 B
Markdown
## Saving coding chars
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Because decorating an error with more information should not
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let you jump through hoops, `chainerror` has a quick macro for that.
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`mstrerror!()` fits right into `.map_err()` letting you quickly add
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more debug strings.
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`mstrerror!()` even understands `format!()` syntax like `println!()`.
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~~~rust
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use crate::chainerror::*;
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{{#include ../examples/tutorial4.rs:2:}}
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# #[allow(dead_code)]
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# mod chainerror {
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{{#includecomment ../src/lib.rs}}
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# }
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~~~ |