// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Test that the unboxed closure sugar can be used with an arbitrary // struct type and that it is equivalent to the same syntax using // angle brackets. This test covers only simple types and in // particular doesn't test bound regions. #![feature(unboxed_closures)] #![allow(dead_code)] trait Foo { fn dummy(&self, t: T, u: U); } trait Eq { } impl Eq for X { } fn eq>() { } fn main() { eq::< for<'a> Foo<(&'a isize,), &'a isize>, Foo(&isize) -> &isize >(); eq::< for<'a> Foo<(&'a isize,), (&'a isize, &'a isize)>, Foo(&isize) -> (&isize, &isize) >(); let _: Foo(&isize, &usize) -> &usize; //~ ERROR missing lifetime specifier }