File: issue-52398.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,245,420 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (28 lines) | stat: -rw-r--r-- 616 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
//@ run-pass
#![allow(unused_variables)]

#![feature(coroutines)]

use std::cell::RefCell;

struct A;

impl A {
    fn test(&self, a: ()) {}
}

fn main() {
    // Test that the MIR local with type &A created for the auto-borrow adjustment
    // is caught by typeck
    move || { //~ WARN unused coroutine that must be used
        A.test(yield);
    };

    // Test that the std::cell::Ref temporary returned from the `borrow` call
    // is caught by typeck
    let y = RefCell::new(true);
    static move || { //~ WARN unused coroutine that must be used
        yield *y.borrow();
        return "Done";
    };
}