rust-clippy/tests/ui/transmute_int_to_char.rs

16 lines
563 B
Rust

#![warn(clippy::transmute_int_to_char)]
#![allow(clippy::missing_transmute_annotations)]
fn int_to_char() {
let _: char = unsafe { std::mem::transmute(0_u32) };
//~^ ERROR: transmute from a `u32` to a `char`
//~| NOTE: `-D clippy::transmute-int-to-char` implied by `-D warnings`
let _: char = unsafe { std::mem::transmute(0_i32) };
//~^ ERROR: transmute from a `i32` to a `char`
// These shouldn't warn
const _: char = unsafe { std::mem::transmute(0_u32) };
const _: char = unsafe { std::mem::transmute(0_i32) };
}
fn main() {}