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Diffstat (limited to 'tests/ui/unop-move-semantics.rs')
-rw-r--r-- | tests/ui/unop-move-semantics.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/unop-move-semantics.rs b/tests/ui/unop-move-semantics.rs new file mode 100644 index 000000000..8168da824 --- /dev/null +++ b/tests/ui/unop-move-semantics.rs @@ -0,0 +1,32 @@ +// Test that move restrictions are enforced on overloaded unary operations + +use std::ops::Not; + +fn move_then_borrow<T: Not<Output=T> + Clone>(x: T) { + !x; + + x.clone(); //~ ERROR: borrow of moved value +} + +fn move_borrowed<T: Not<Output=T>>(x: T, mut y: T) { + let m = &x; + let n = &mut y; + + !x; //~ ERROR: cannot move out of `x` because it is borrowed + + !y; //~ ERROR: cannot move out of `y` because it is borrowed + use_mut(n); use_imm(m); +} +fn illegal_dereference<T: Not<Output=T>>(mut x: T, y: T) { + let m = &mut x; + let n = &y; + + !*m; //~ ERROR: cannot move out of `*m` + + !*n; //~ ERROR: cannot move out of `*n` + use_imm(n); use_mut(m); +} +fn main() {} + +fn use_mut<T>(_: &mut T) { } +fn use_imm<T>(_: &T) { } |