| // Copyright 2012-2014 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 that adding an impl to a trait `Foo` does not affect functions |
| // that only use `Bar`, so long as they do not have methods in common. |
| |
| // compile-flags: -Z query-dep-graph |
| |
| #![feature(rustc_attrs)] |
| #![allow(warnings)] |
| |
| fn main() { } |
| |
| pub trait Foo: Sized { |
| fn foo(self) { } |
| } |
| |
| pub trait Bar: Sized { |
| fn bar(self) { } |
| } |
| |
| mod x { |
| use {Foo, Bar}; |
| |
| #[rustc_if_this_changed] |
| impl Foo for char { } |
| |
| impl Bar for char { } |
| } |
| |
| mod y { |
| use {Foo, Bar}; |
| |
| #[rustc_then_this_would_need(TypeckTables)] //~ ERROR no path |
| pub fn call_bar() { |
| char::bar('a'); |
| } |
| } |
| |
| mod z { |
| use y; |
| |
| #[rustc_then_this_would_need(TypeckTables)] //~ ERROR no path |
| pub fn z() { |
| y::call_bar(); |
| } |
| } |