// 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 unboxed closure sugar used in object types. #![allow(dead_code)] struct Foo { t: T, u: U } trait Getter { fn get(&self, arg: A) -> R; } struct Identity; impl Getter for Identity { fn get(&self, arg: X) -> X { arg } } fn main() { let x: &Getter<(i32,), (i32,)> = &Identity; let (y,) = x.get((22,)); assert_eq!(y, 22); }