src/test/ui/generator/borrowing.rs


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// Copyright 2017 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(generators, generator_trait)]

use std::ops::Generator;

fn main() {
    let _b = {
        let a = 3;
        unsafe { (|| yield &a).resume() }
        //~^ ERROR: `a` does not live long enough
    };

    let _b = {
        let a = 3;
        || {
            yield &a
            //~^ ERROR: `a` does not live long enough
        }
    };
}