harald/chainerror
1
0
Fork 0
mirror of https://github.com/haraldh/chainerror.git synced 2025-06-08 17:04:42 +02:00
Code Issues Projects Releases Packages Wiki Activity

deref

Browse source
This commit is contained in:
Harald Hoyer 2019-02-03 19:33:26 +01:00
parent 4762a75cfe
commit c9259a3ea3
3 changed files with 39 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

4
booksrc/tutorial12.md
View file

@ -1,7 +1,7 @@
# Deref for the ErrorKind
Because ChainError<T> implements Deref to &T, we can also match on `*e` instead of `e.kind()`.
Because ChainError<T> implements Deref to &T, we can also match on `*e` instead of `e.kind()`
or call a function with `&e`
~~~rust
use crate::chainerror::*;
{{#include ../examples/tutorial12.rs:2:}}