diff options
Diffstat (limited to 'src/test/ui/functions-closures/implied-bounds-closure-arg-outlives.rs')
-rw-r--r-- | src/test/ui/functions-closures/implied-bounds-closure-arg-outlives.rs | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/src/test/ui/functions-closures/implied-bounds-closure-arg-outlives.rs b/src/test/ui/functions-closures/implied-bounds-closure-arg-outlives.rs deleted file mode 100644 index 4ac07123d..000000000 --- a/src/test/ui/functions-closures/implied-bounds-closure-arg-outlives.rs +++ /dev/null @@ -1,35 +0,0 @@ -// run-pass -// Test that we are able to handle the relationships between free -// regions bound in a closure callback. - -#[derive(Copy, Clone)] -struct MyCx<'short, 'long: 'short> { - short: &'short u32, - long: &'long u32, -} - -impl<'short, 'long> MyCx<'short, 'long> { - fn short(self) -> &'short u32 { self.short } - fn long(self) -> &'long u32 { self.long } - fn set_short(&mut self, v: &'short u32) { self.short = v; } -} - -fn with<F, R>(op: F) -> R -where - F: for<'short, 'long> FnOnce(MyCx<'short, 'long>) -> R, -{ - op(MyCx { - short: &22, - long: &22, - }) -} - -fn main() { - with(|mut cx| { - // For this to type-check, we need to be able to deduce that - // the lifetime of `l` can be `'short`, even though it has - // input from `'long`. - let l = if true { cx.long() } else { cx.short() }; - cx.set_short(l); - }); -} |