File: closure_unit_return.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (29 lines) | stat: -rw-r--r-- 528 bytes parent folder | download | duplicates (5)
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
29
#![feature(coverage_attribute)]
//@ edition: 2021

// Regression test for an inconsistency between functions that return the value
// of their trailing expression, and functions that implicitly return `()`.

fn explicit_unit() {
    let closure = || {
        ();
    };

    drop(closure);
    () // explicit return of trailing value
}

fn implicit_unit() {
    let closure = || {
        ();
    };

    drop(closure);
    // implicit return of `()`
}

#[coverage(off)]
fn main() {
    explicit_unit();
    implicit_unit();
}