closure-return-syntax.rs

// 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.

// Test that we cannot parse a closure with an explicit return type
// unless it uses braces.

fn main() {
    let x = || -> i32 22;
    //~^ ERROR expected one of `!`, `(`, `::`, `<`, or `{`, found `22`
}