8693943676
This removes the stacking of type parameters that occurs when invoking trait methods, and fixes all places in the standard library that were relying on it. It is somewhat awkward in places; I think we'll probably want something like the `Foo::<for T>::new()` syntax.
47 lines
1.1 KiB
Rust
47 lines
1.1 KiB
Rust
// xfail-fast
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// Copyright 2012 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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mod base {
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use std::io;
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pub trait HasNew<T> {
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fn new() -> Self;
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}
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pub struct Foo {
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dummy: (),
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}
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impl ::base::HasNew<Foo> for Foo {
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fn new() -> Foo {
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println("Foo");
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Foo { dummy: () }
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}
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}
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pub struct Bar {
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dummy: (),
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}
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impl ::base::HasNew<Bar> for Bar {
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fn new() -> Bar {
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io::println("Bar");
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Bar { dummy: () }
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}
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}
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}
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pub fn main() {
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let _f: base::Foo = base::HasNew::<base::Foo>::new();
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let _b: base::Bar = base::HasNew::<base::Bar>::new();
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}
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