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Substitute free lifetimes when Self is used within a method body

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This is needed because `Self` can be substituted to a type with
lifetime parameters.

Fixes #24308
Fixes #25071
Fixes #25259
Fixes #25279
This commit is contained in:
Ariel Ben-Yehuda 2015-05-20 21:22:05 +03:00
parent cec980a1a7
commit 7b1e8446d1
3 changed files with 56 additions and 1 deletions
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26
src/test/run-pass/issue-24308.rs Normal file
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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.
pub trait Foo {
fn method1() {}
fn method2();
}
struct Slice<'a, T: 'a>(&'a [T]);
impl<'a, T: 'a> Foo for Slice<'a, T> {
fn method2() {
<Self as Foo>::method1();
}
}
fn main() {
<Slice<()> as Foo>::method2();
}

25
src/test/run-pass/issue-25279.rs Normal file
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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.
struct S<'a>(&'a ());
impl<'a> S<'a> {
fn foo(self) -> &'a () {
<Self>::bar(self)
}
fn bar(self) -> &'a () {
self.0
}
}
fn main() {
S(&()).foo();
}