Add new test for object method numbering mismatches.

This commit is contained in:
Niko Matsakis 2015-01-28 05:13:43 -05:00
parent 694432e935
commit aaf3df3667

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// Copyright 2015 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 for using an object with an associated type binding as the
// instantiation for a generic type with a bound.
trait SomeTrait {
type SomeType;
fn get(&self) -> Self::SomeType;
}
fn get_int<T:SomeTrait<SomeType=i32>+?Sized>(x: &T) -> i32 {
x.get()
}
impl SomeTrait for i32 {
type SomeType = i32;
fn get(&self) -> i32 {
*self
}
}
fn main() {
let x = 22_i32;
let x1: &SomeTrait<SomeType=i32> = &x;
let y = get_int(x1);
assert_eq!(x, y);
}