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体验新版 GitCode,发现更多精彩内容 >>
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935a39b3
编写于
11月 26, 2014
作者:
A
Alex Crichton
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rollup merge of #19312: steveklabnik/gh19177
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8790ab14
8369a607
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src/doc/guide.md
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src/doc/guide.md
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935a39b3
...
@@ -4013,6 +4013,19 @@ match origin {
...
@@ -4013,6 +4013,19 @@ match origin {
}
}
```
```
If you want to match against a slice or array, you can use
`[]`
:
```
{rust}
fn main() {
let v = vec!["match_this", "1"];
match v.as_slice() {
["match_this", second] => println!("The second element is {}", second),
_ => {},
}
}
```
Whew! That's a lot of different ways to match things, and they can all be
Whew! That's a lot of different ways to match things, and they can all be
mixed and matched, depending on what you're doing:
mixed and matched, depending on what you're doing:
...
@@ -5271,7 +5284,7 @@ immediately.
...
@@ -5271,7 +5284,7 @@ immediately.
## Success and failure
## Success and failure
Tasks don't always succeed, they can also panic. A task that wishes to panic
Tasks don't always succeed, they can also panic. A task that wishes to panic
can call the
`panic!`
macro, passing a message:
can call the
`panic!`
macro, passing a message:
```
{rust}
```
{rust}
...
...
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