| // Copyright 2016 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. |
| |
| struct S; |
| |
| trait Tr { |
| type A; |
| } |
| |
| impl Tr for S { |
| type A = S; |
| } |
| |
| fn f<T: Tr>() { |
| let s = T::A {}; |
| //~^ ERROR expected struct, variant or union type, found associated type |
| let z = T::A::<u8> {}; |
| //~^ ERROR expected struct, variant or union type, found associated type |
| //~| ERROR type parameters are not allowed on this type |
| match S { |
| T::A {} => {} |
| //~^ ERROR expected struct, variant or union type, found associated type |
| } |
| } |
| |
| fn g<T: Tr<A = S>>() { |
| let s = T::A {}; // OK |
| let z = T::A::<u8> {}; //~ ERROR type parameters are not allowed on this type |
| match S { |
| T::A {} => {} // OK |
| } |
| } |
| |
| fn main() { |
| let s = S::A {}; //~ ERROR ambiguous associated type |
| let z = S::A::<u8> {}; //~ ERROR ambiguous associated type |
| //~^ ERROR type parameters are not allowed on this type |
| match S { |
| S::A {} => {} //~ ERROR ambiguous associated type |
| } |
| } |