2012-12-15 17:13:55 -06:00
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fn a() -> &int {
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Fix incorrect non-exhaustive matching for fixed length vecs
Code like this is fixed now:
```
fn foo(p: [u8, ..4]) {
match p {
[a, b, c, d] => {}
};
}
```
Invalid constructors are not reported as errors yet:
```
fn foo(p: [u8, ..4]) {
match p {
[_, _, _] => {} // this should be error
[_, _, _, _, _, .._] => {} // and this
_ => {}
}
}
```
Issue #8311 is partially fixed by this commit. Fixed-length arrays in
let statement are not yet allowed:
```
let [a, b, c] = [1, 2, 3]; // still fails
```
2013-08-07 13:07:24 -05:00
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let vec = ~[1, 2, 3, 4];
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2013-03-15 14:24:24 -05:00
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let tail = match vec {
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[_a, ..tail] => &tail[0], //~ ERROR borrowed value does not live long enough
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2013-10-21 15:08:31 -05:00
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_ => fail!("foo")
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2012-12-15 17:13:55 -06:00
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};
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2013-02-15 04:44:18 -06:00
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tail
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2012-12-15 17:13:55 -06:00
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}
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fn main() {
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let fifth = a();
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2013-09-25 00:16:43 -05:00
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println!("{}", *fifth);
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2012-12-15 17:13:55 -06:00
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}
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