More testing for generic associated types parsing
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src/test
run-pass/rfc1598-generic-associated-types
ui/rfc1598-generic-associated-types
@ -25,7 +25,8 @@ struct Foo<T: StreamingIterator> {
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// Users can bound parameters by the type constructed by that trait's associated type constructor
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// of a trait using HRTB. Both type equality bounds and trait bounds of this kind are valid:
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//fn foo<T: for<'a> StreamingIterator<Item<'a>=&'a [i32]>>(iter: T) { ... }
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//FIXME(sunjay): This next line should parse and be valid
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//fn foo<T: for<'a> StreamingIterator<Item<'a>=&'a [i32]>>(iter: T) { /* ... */ }
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fn foo<T>(iter: T) where T: StreamingIterator, for<'a> T::Item<'a>: Display { /* ... */ }
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fn main() {}
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@ -0,0 +1,35 @@
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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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#![feature(generic_associated_types)]
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// Checking the interaction with this other feature
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#![feature(associated_type_defaults)]
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use std::fmt::{Display, Debug};
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trait Foo {
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type Assoc where Self: Sized;
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type Assoc2 <T >where T: Display;
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type WithDefault <T> = Iterator <Item=T> where T: Debug;
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// No generics on this associated type
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type NoGenerics;
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}
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struct Bar;
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impl Foo for Bar {
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type Assoc = usize;
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type Assoc2 <T> = Vec<T>;
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type WithDefault<'a, T> = &'a Iterator<T>;
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type NoGenerics = f64;
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}
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fn main() {}
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@ -0,0 +1,17 @@
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// Copyright 2017 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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#![feature(generic_associated_types)]
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trait Foo {
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type Bar<,>;
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}
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fn main() {}
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@ -0,0 +1,18 @@
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// Copyright 2017 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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#![feature(generic_associated_types)]
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trait Foo {
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type Bar<T=usize>;
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type X<T> where T = f64;
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}
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fn main() {}
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