| // 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. |
| |
| // Test type checking of uses of associated types via sugary paths. |
| |
| pub trait Foo { |
| type A; |
| |
| fn dummy(&self) { } |
| } |
| |
| impl Foo for i32 { |
| type A = u32; |
| } |
| |
| pub fn f1<T: Foo>(a: T, x: T::A) {} |
| pub fn f2<T: Foo>(a: T) -> T::A { |
| panic!(); |
| } |
| |
| pub fn f1_int_int() { |
| f1(2i32, 4i32); |
| //~^ ERROR mismatched types |
| //~| expected u32, found i32 |
| } |
| |
| pub fn f1_int_uint() { |
| f1(2i32, 4u32); |
| } |
| |
| pub fn f1_uint_uint() { |
| f1(2u32, 4u32); |
| //~^ ERROR `u32: Foo` is not satisfied |
| //~| ERROR `u32: Foo` is not satisfied |
| } |
| |
| pub fn f1_uint_int() { |
| f1(2u32, 4i32); |
| //~^ ERROR `u32: Foo` is not satisfied |
| //~| ERROR `u32: Foo` is not satisfied |
| } |
| |
| pub fn f2_int() { |
| let _: i32 = f2(2i32); |
| //~^ ERROR mismatched types |
| //~| expected i32, found u32 |
| } |
| |
| pub fn main() { } |