src/tools/clippy/tests/ui/transmute_int_to_char.rs

#![warn(clippy::transmute_int_to_char)]

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() {}