| // Copyright 2014 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. |
| |
| // Check that we get an error when you use `<Self as Get>::Value` in |
| // the trait definition but `Self` does not, in fact, implement `Get`. |
| // |
| // See also associated-types-no-suitable-supertrait.rs, which checks |
| // that we see the same error when making this mistake on an impl |
| // rather than the default method impl. |
| // |
| // See also run-pass/associated-types-projection-to-unrelated-trait.rs, |
| // which checks that the trait interface itself is not considered an |
| // error as long as all impls satisfy the constraint. |
| |
| trait Get { |
| type Value; |
| } |
| |
| trait Other { |
| fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} |
| //~^ ERROR the trait `Get` is not implemented for the type `Self` |
| } |
| |
| fn main() { } |