33 lines
1004 B
Rust
33 lines
1004 B
Rust
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// Copyright 2012-2014 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 that when instantiating trait default methods, typeck handles
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// lifetime parameters defined on the method bound correctly.
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pub trait Foo {
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fn bar<'a, I: Iterator<&'a ()>>(&self, it: I) -> uint {
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let mut xs = it.filter(|_| true);
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xs.len()
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}
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}
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pub struct Baz;
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impl Foo for Baz {
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// When instantiating `Foo::bar` for `Baz` here, typeck used to
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// ICE due to the lifetime parameter of `bar`.
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}
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fn main() {
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let x = Baz;
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let y = vec!((), (), ());
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assert_eq!(x.bar(y.iter()), 3);
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}
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