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Auto merge of #124386 - matthiaskrgr:rollup-0a6yr00, r=matthiaskrgr
Rollup of 3 pull requests Successful merges: - #124313 (Detect borrow error involving sub-slices and suggest `split_at_mut`) - #124374 (Don't ICE when `codegen_select_candidate` returns ambiguity in new solver) - #124380 (`Range` iteration specialization: remove trivial bounds) r? `@ghost` `@rustbot` modify labels: rollup
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,62 @@ | ||
| fn main() { | ||
| fn foo() { | ||
| let mut foo = [1, 2, 3, 4]; | ||
| let a = &mut foo[2]; | ||
| let b = &mut foo[3]; //~ ERROR cannot borrow `foo[_]` as mutable more than once at a time | ||
| *a = 5; | ||
| *b = 6; | ||
| println!("{:?} {:?}", a, b); | ||
| } | ||
|
|
||
| fn bar() { | ||
| let mut foo = [1,2,3,4]; | ||
| let a = &mut foo[..2]; | ||
| let b = &mut foo[2..]; //~ ERROR cannot borrow `foo` as mutable more than once at a time | ||
| a[0] = 5; | ||
| b[0] = 6; | ||
| println!("{:?} {:?}", a, b); | ||
| } | ||
|
|
||
| fn baz() { | ||
| let mut foo = [1,2,3,4]; | ||
| let a = &foo[..2]; | ||
| let b = &mut foo[2..]; //~ ERROR cannot borrow `foo` as mutable because it is also borrowed as immutable | ||
| b[0] = 6; | ||
| println!("{:?} {:?}", a, b); | ||
| } | ||
|
|
||
| fn qux() { | ||
| let mut foo = [1,2,3,4]; | ||
| let a = &mut foo[..2]; | ||
| let b = &foo[2..]; //~ ERROR cannot borrow `foo` as immutable because it is also borrowed as mutable | ||
| a[0] = 5; | ||
| println!("{:?} {:?}", a, b); | ||
| } | ||
|
|
||
| fn bad() { | ||
| let mut foo = [1,2,3,4]; | ||
| let a = &foo[1]; | ||
| let b = &mut foo[2]; //~ ERROR cannot borrow `foo[_]` as mutable because it is also borrowed as immutable | ||
| *b = 6; | ||
| println!("{:?} {:?}", a, b); | ||
| } | ||
|
|
||
| fn bat() { | ||
| let mut foo = [1,2,3,4]; | ||
| let a = &mut foo[1]; | ||
| let b = &foo[2]; //~ ERROR cannot borrow `foo[_]` as immutable because it is also borrowed as mutable | ||
| *a = 5; | ||
| println!("{:?} {:?}", a, b); | ||
| } | ||
|
|
||
| fn ang() { | ||
| let mut foo = [1,2,3,4]; | ||
| let a = &mut foo[0..]; | ||
| let b = &foo[0..]; //~ ERROR cannot borrow `foo` as immutable because it is also borrowed as mutable | ||
| a[0] = 5; | ||
| println!("{:?} {:?}", a, b); | ||
| } | ||
|
|
||
| fn main() { | ||
| foo(); | ||
| bar(); | ||
| } |
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