rust/tests/ui/ptr_ops/ptr-swap-basic.rs

//! Check the basic functionality of `std::mem::swap` to ensure it correctly
//! exchanges the values of two mutable variables.

//@ run-pass

use std::mem::swap;

pub fn main() {
    let mut x = 3;
    let mut y = 7;
    swap(&mut x, &mut y);
    assert_eq!(x, 7);
    assert_eq!(y, 3);
}
cleaned up some tests Additionally, remove unused `tests/ui/auxiliary/svh-` crates that are duplicates of `tests/ui/svh/auxiliary/svh-`. 2025-07-01 20:20:14 +05:00			//! Check the basic functionality of `std::mem::swap` to ensure it correctly
			`//! exchanges the values of two mutable variables.`

[AUTO-GENERATED] Migrate ui tests from `//` to `//@` directives 2024-02-16 20:02:50 +00:00			`//@ run-pass`
tests: Add missing run-pass annotations 2019-07-27 00:54:25 +03:00
Move replace and swap to std::mem. Get rid of std::util Also move Void to std::any, move drop to std::mem and reexport in prelude. 2014-02-01 04:35:36 +08:00			`use std::mem::swap;`
Stop using the '<->' operator 2013-05-06 00:42:54 -04:00
check-fast fallout from removing export, r=burningtree 2013-02-01 19:43:17 -08:00			`pub fn main() {`
cleaned up some tests Additionally, remove unused `tests/ui/auxiliary/svh-` crates that are duplicates of `tests/ui/svh/auxiliary/svh-`. 2025-07-01 20:20:14 +05:00			`let mut x = 3;`
			`let mut y = 7;`
Move replace and swap to std::mem. Get rid of std::util Also move Void to std::any, move drop to std::mem and reexport in prelude. 2014-02-01 04:35:36 +08:00			`swap(&mut x, &mut y);`
Use `assert_eq!` instead of `assert!` in tests 2015-06-07 21:00:38 +03:00			`assert_eq!(x, 7);`
			`assert_eq!(y, 3);`
make --enforce-mut-vars always on, add mut annotations to remaining files 2012-03-22 08:39:41 -07:00			`}`