rust/src/test/run-pass/issue-25339.rs
Brian Anderson a09bce1047 Feature gate associated type defaults
There are multiple issues with them as designed and implemented.

cc #27364
2015-07-29 15:11:07 -07:00

39 lines
996 B
Rust

// 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.
#![feature(associated_type_defaults)]
use std::marker::PhantomData;
pub trait Routing<I> {
type Output;
fn resolve(&self, input: I);
}
pub trait ToRouting {
type Input;
type Routing : ?Sized = Routing<Self::Input, Output=()>;
fn to_routing(self) -> Self::Routing;
}
pub struct Mount<I, R: Routing<I>> {
action: R,
_marker: PhantomData<I>
}
impl<I, R: Routing<I>> Mount<I, R> {
pub fn create<T: ToRouting<Routing=R>>(mount: &str, input: T) {
input.to_routing();
}
}
fn main() {
}