File: niche-in-coroutine.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (20 lines) | stat: -rw-r--r-- 424 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// Test that niche finding works with captured coroutine upvars.

//@ run-pass

#![feature(coroutines, stmt_expr_attributes)]

use std::mem::size_of_val;

fn take<T>(_: T) {}

fn main() {
    let x = false;
    let gen1 = #[coroutine] || {
        yield;
        take(x);
    };

    // FIXME(#63818): niches in coroutines are disabled. Should be `assert_eq`.
    assert_ne!(size_of_val(&gen1), size_of_val(&Some(gen1)));
}