diff options
Diffstat (limited to 'src/test/ui/compile-fail-migration/vtable-res-trait-param.rs')
| -rw-r--r-- | src/test/ui/compile-fail-migration/vtable-res-trait-param.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/compile-fail-migration/vtable-res-trait-param.rs b/src/test/ui/compile-fail-migration/vtable-res-trait-param.rs new file mode 100644 index 00000000000..8b3e9369ece --- /dev/null +++ b/src/test/ui/compile-fail-migration/vtable-res-trait-param.rs @@ -0,0 +1,33 @@ +// Copyright 2012 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +trait TraitA { + fn method_a(&self) -> isize; +} + +trait TraitB { + fn gimme_an_a<A:TraitA>(&self, a: A) -> isize; +} + +impl TraitB for isize { + fn gimme_an_a<A:TraitA>(&self, a: A) -> isize { + a.method_a() + *self + } +} + +fn call_it<B:TraitB>(b: B) -> isize { + let y = 4; + b.gimme_an_a(y) //~ ERROR `{integer}: TraitA` is not satisfied +} + +fn main() { + let x = 3; + assert_eq!(call_it(x), 22); +} |
