rust-clippy/tests/ui/unnecessary_cast_fixable.rs

// run-rustfix

#![warn(clippy::unnecessary_cast)]
#![allow(clippy::no_effect, clippy::unnecessary_operation)]

fn main() {
    // casting integer literal to float is unnecessary
    100 as f32;
    100 as f64;
    100_i32 as f64;
    let _ = -100 as f32;
    let _ = -100 as f64;
    let _ = -100_i32 as f64;
    100. as f32;
    100. as f64;
    // Should not trigger
    #[rustfmt::skip]
    let v = vec!(1);
    &v as &[i32];
    0x10 as f32;
    0o10 as f32;
    0b10 as f32;
    0x11 as f64;
    0o11 as f64;
    0b11 as f64;

    1 as u32;
    0x10 as i32;
    0b10 as usize;
    0o73 as u16;
    1_000_000_000 as u32;

    1.0 as f64;
    0.5 as f32;

    1.0 as u16;

    let _ = -1 as i32;
    let _ = -1.0 as f32;
}