rust-clippy/tests/ui/crate_level_checks/no_std_swap.rs
2023-08-22 17:18:11 +02:00

16 lines
329 B
Rust

#![no_std]
#![feature(lang_items, start, libc)]
#![crate_type = "lib"]
use core::panic::PanicInfo;
#[warn(clippy::all)]
fn main() {
let mut a = 42;
let mut b = 1337;
a = b;
//~^ ERROR: this looks like you are trying to swap `a` and `b`
//~| NOTE: or maybe you should use `core::mem::replace`?
b = a;
}