nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-25 00:03:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

Check for mutable borrow of counter variable

Browse Source
This commit is contained in:
Nathan Weston 2015-09-10 08:33:29 -04:00
parent 6b57924e81
commit 8a5b4f19fd
2 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/loops.rs
View File

@ -351,6 +351,7 @@ impl<'v, 't> Visitor<'v> for IncrementVisitor<'v, 't> {
}
},
ExprAssign(ref lhs, _) if lhs.id == expr.id => *state = VarState::DontWarn,
ExprAddrOf(mutability,_) if mutability == MutMutable => *state = VarState::DontWarn,
_ => ()
}
}
@ -430,6 +431,7 @@ impl<'v, 't> Visitor<'v> for InitializeVisitor<'v, 't> {
} else {
VarState::DontWarn
}},
ExprAddrOf(mutability,_) if mutability == MutMutable => self.state = VarState::DontWarn,
_ => ()
}
}

4
tests/compile-fail/for_loop.rs
View File

@ -179,4 +179,8 @@ fn main() {
let mut _index = 1;
if false { _index = 0 };
for _v in &vec { _index += 1 }
let mut _index = 0;
{ let mut _x = &mut _index; }
for _v in &vec { _index += 1 }
}