48 lines
1000 B
Rust
48 lines
1000 B
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test calling methods on an impl for a bare trait.
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// aux-build:traitimpl.rs
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extern crate traitimpl;
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use traitimpl::Bar;
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static mut COUNT: uint = 1;
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trait T {}
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impl<'a> T+'a {
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fn foo(&self) {
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unsafe { COUNT *= 2; }
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}
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fn bar() {
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unsafe { COUNT *= 3; }
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}
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}
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impl T for int {}
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struct Foo;
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impl<'a> Bar<'a> for Foo {}
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fn main() {
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let x: &T = &42i;
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x.foo();
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T::foo(x);
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T::bar();
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unsafe { assert!(COUNT == 12); }
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// Cross-crait case
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let x: &Bar = &Foo;
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x.bar();
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}
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