src/test/run-pass/for-loop-while/for-loop-has-unit-body.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

// 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.

// run-pass
fn main() {
    // Check that the tail statement in the body unifies with something
    for _ in 0..3 {
        unsafe { std::mem::uninitialized() }
    }

    // Check that the tail statement in the body can be unit
    for _ in 0..3 {
        ()
    }
}