Add regression test for issue #17737

This commit is contained in:
Brian Koropoff 2014-10-03 20:07:43 -07:00
parent 8e455ea07c
commit 404db68da4

View File

@ -0,0 +1,24 @@
// 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.
#![feature(unboxed_closures)]
// Test generating type visitor glue for unboxed closures
extern crate debug;
fn main() {
let expected = "fn(); fn(uint, uint) -> uint; fn() -> !";
let result = format!("{:?}; {:?}; {:?}",
|:| {},
|&: x: uint, y: uint| { x + y },
|&mut:| -> ! { fail!() });
assert_eq!(expected, result.as_slice());
}