rust/src/test/run-pass/closure-syntax.rs
2014-10-26 00:18:10 +02:00

98 lines
2.0 KiB
Rust

// Copyright 2014 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.
#![allow(dead_code)]
#![feature(unboxed_closures, unboxed_closure_sugar)]
// compile-flags:-g
fn foo<T>() {}
trait Bar1 {}
impl Bar1 for proc():'static {}
trait Bar2 {}
impl Bar2 for proc():Send {}
trait Bar3 {}
impl<'b> Bar3 for <'a>|&'a int|: 'b + Send -> &'a int {}
trait Bar4 {}
impl Bar4 for proc<'a>(&'a int):'static -> &'a int {}
struct Foo<'a> {
a: ||: 'a,
b: ||: 'static,
c: <'b>||: 'a,
d: ||: 'a + Sync,
e: <'b>|int|: 'a + Sync -> &'b f32,
f: proc():'static,
g: proc():'static+Sync,
h: proc<'b>(int):'static+Sync -> &'b f32,
}
fn f<'a>(a: &'a int, f: <'b>|&'b int| -> &'b int) -> &'a int {
f(a)
}
fn g<'a>(a: &'a int, f: proc<'b>(&'b int) -> &'b int) -> &'a int {
f(a)
}
struct A;
impl A {
fn foo<T>(&self) {}
}
fn bar<'b>() {
foo::<||>();
foo::<|| -> ()>();
foo::<||:>();
foo::<||:'b>();
foo::<||:'b + Sync>();
foo::<||:Sync>();
foo::< <'a>|int, f32, &'a int|:'b + Sync -> &'a int>();
foo::<proc()>();
foo::<proc() -> ()>();
foo::<proc():'static>();
foo::<proc():Sync>();
foo::<proc<'a>(int, f32, &'a int):'static + Sync -> &'a int>();
foo::<<'a>||>();
// issue #11209
let _: ||: 'b; // for comparison
let _: <'a> ||;
let _: Option<||:'b>;
let _: Option<<'a>||>;
let _: Option< <'a>||>;
// issue #11210
let _: ||: 'static;
let a = A;
a.foo::<<'a>||>();
// issue #13490
let _ = || -> ! loop {};
let _ = proc() -> ! loop {};
// issue #17021
let c = box |&:| {};
}
struct B<T>;
impl<'b> B<<'a>||: 'b> {}
pub fn main() {
}