diff options
Diffstat (limited to 'src/test/ui/borrowck/borrowck-closures-two-mut-fail.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-closures-two-mut-fail.rs | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/src/test/ui/borrowck/borrowck-closures-two-mut-fail.rs b/src/test/ui/borrowck/borrowck-closures-two-mut-fail.rs deleted file mode 100644 index 63a75cdff..000000000 --- a/src/test/ui/borrowck/borrowck-closures-two-mut-fail.rs +++ /dev/null @@ -1,59 +0,0 @@ -// Tests that two closures cannot simultaneously have mutable -// access to the variable, whether that mutable access be used -// for direct assignment or for taking mutable ref. Issue #6801. - - - - - - - -fn to_fn_mut<F: FnMut()>(f: F) -> F { f } - -fn a() { - let mut x = 3; - let c1 = to_fn_mut(|| x = 4); - let c2 = to_fn_mut(|| x = 5); //~ ERROR cannot borrow `x` as mutable more than once - c1; -} - -fn set(x: &mut isize) { - *x = 4; -} - -fn b() { - let mut x = 3; - let c1 = to_fn_mut(|| set(&mut x)); - let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once - c1; -} - -fn c() { - let mut x = 3; - let c1 = to_fn_mut(|| x = 5); - let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once - c1; -} - -fn d() { - let mut x = 3; - let c1 = to_fn_mut(|| x = 5); - let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure) - //~^ ERROR cannot borrow `x` as mutable more than once - c1; -} - -fn g() { - struct Foo { - f: Box<isize> - } - - let mut x: Box<_> = Box::new(Foo { f: Box::new(3) }); - let c1 = to_fn_mut(|| set(&mut *x.f)); - let c2 = to_fn_mut(|| set(&mut *x.f)); - //~^ ERROR cannot borrow `x` as mutable more than once - c1; -} - -fn main() { -} |