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Diffstat (limited to 'src/test/ui/nll/closure-requirements/propagate-from-trait-match.rs')
-rw-r--r-- | src/test/ui/nll/closure-requirements/propagate-from-trait-match.rs | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/src/test/ui/nll/closure-requirements/propagate-from-trait-match.rs b/src/test/ui/nll/closure-requirements/propagate-from-trait-match.rs deleted file mode 100644 index cda781d8e..000000000 --- a/src/test/ui/nll/closure-requirements/propagate-from-trait-match.rs +++ /dev/null @@ -1,48 +0,0 @@ -// Test that regions which appear only in the closure's generics (in -// this case, `'a`) are properly mapped to the creator's generics. In -// this case, the closure constrains its type parameter `T` to outlive -// the same `'a` for which it implements `Trait`, which can only be the `'a` -// from the function definition. - -// compile-flags:-Zverbose - -#![feature(rustc_attrs)] -#![allow(dead_code)] - -trait Trait<'a> {} - -fn establish_relationships<T, F>(value: T, closure: F) -where - F: FnOnce(T), -{ - closure(value) -} - -fn require<'a, T>(t: T) -where - T: Trait<'a> + 'a, -{ -} - -#[rustc_regions] -fn supply<'a, T>(value: T) -where - T: Trait<'a>, -{ - establish_relationships(value, |value| { - // This function call requires that - // - // (a) T: Trait<'a> - // - // and - // - // (b) T: 'a - // - // The latter does not hold. - - require(value); - //~^ ERROR the parameter type `T` may not live long enough - }); -} - -fn main() {} |