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| author | Manish Goregaokar <manishsmail@gmail.com> | 2015-08-01 12:31:24 +0530 |
|---|---|---|
| committer | Manish Goregaokar <manishsmail@gmail.com> | 2015-08-01 14:05:52 +0530 |
| commit | 548d552c7e7617711a3b71611e010ffe7d0d9fef (patch) | |
| tree | 471817ed0de4e6eafbb94ee0647ae74175c1eb69 /src | |
| parent | ae9abdf705f457edc1cd0a4a01e089dbfed0007d (diff) | |
| parent | 6a86a0c89c932b971bc4e5846abcf54769d3b6b4 (diff) | |
Rollup merge of #27423 - oli-obk:patch-1, r=Gankro
Diffstat (limited to 'src')
| -rw-r--r-- | src/doc/tarpl/borrow-splitting.md | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/doc/tarpl/borrow-splitting.md b/src/doc/tarpl/borrow-splitting.md index da484385788..cc5bc8a602d 100644 --- a/src/doc/tarpl/borrow-splitting.md +++ b/src/doc/tarpl/borrow-splitting.md @@ -27,19 +27,27 @@ However borrowck doesn't understand arrays or slices in any way, so this doesn't work: ```rust,ignore -let x = [1, 2, 3]; +let mut x = [1, 2, 3]; let a = &mut x[0]; let b = &mut x[1]; println!("{} {}", a, b); ``` ```text -<anon>:3:18: 3:22 error: cannot borrow immutable indexed content `x[..]` as mutable -<anon>:3 let a = &mut x[0]; - ^~~~ -<anon>:4:18: 4:22 error: cannot borrow immutable indexed content `x[..]` as mutable -<anon>:4 let b = &mut x[1]; - ^~~~ +<anon>:4:14: 4:18 error: cannot borrow `x[..]` as mutable more than once at a time +<anon>:4 let b = &mut x[1]; + ^~~~ +<anon>:3:14: 3:18 note: previous borrow of `x[..]` occurs here; the mutable borrow prevents subsequent moves, borrows, or modification of `x[..]` until the borrow ends +<anon>:3 let a = &mut x[0]; + ^~~~ +<anon>:6:2: 6:2 note: previous borrow ends here +<anon>:1 fn main() { +<anon>:2 let mut x = [1, 2, 3]; +<anon>:3 let a = &mut x[0]; +<anon>:4 let b = &mut x[1]; +<anon>:5 println!("{} {}", a, b); +<anon>:6 } + ^ error: aborting due to 2 previous errors ``` |
