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1 | // Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | // Test that adding an impl to a trait `Foo` does not affect functions | |
12 | // that only use `Bar`, so long as they do not have methods in common. | |
13 | ||
54a0048b | 14 | // compile-flags: -Z query-dep-graph |
9cc50fc6 SL |
15 | |
16 | #![feature(rustc_attrs)] | |
17 | #![allow(warnings)] | |
18 | ||
19 | fn main() { } | |
20 | ||
21 | pub trait Foo: Sized { | |
22 | fn foo(self) { } | |
23 | } | |
24 | ||
25 | pub trait Bar: Sized { | |
26 | fn bar(self) { } | |
27 | } | |
28 | ||
29 | mod x { | |
30 | use {Foo, Bar}; | |
31 | ||
32 | #[rustc_if_this_changed] | |
33 | impl Foo for char { } | |
34 | ||
35 | impl Bar for char { } | |
36 | } | |
37 | ||
38 | mod y { | |
39 | use {Foo, Bar}; | |
40 | ||
41 | #[rustc_then_this_would_need(TypeckItemBody)] //~ ERROR no path | |
42 | pub fn call_bar() { | |
43 | char::bar('a'); | |
44 | } | |
45 | } | |
46 | ||
47 | mod z { | |
48 | use y; | |
49 | ||
50 | #[rustc_then_this_would_need(TypeckItemBody)] //~ ERROR no path | |
51 | pub fn z() { | |
52 | y::call_bar(); | |
53 | } | |
54 | } |