rust-clippy/tests/ui/cast_size.rs

35 lines
808 B
Rust

//@ignore-32bit
#[warn(
clippy::cast_precision_loss,
clippy::cast_possible_truncation,
clippy::cast_sign_loss,
clippy::cast_possible_wrap,
clippy::cast_lossless
)]
#[allow(clippy::no_effect, clippy::unnecessary_operation)]
fn main() {
// Casting from *size
1isize as i8;
let x0 = 1isize;
let x1 = 1usize;
x0 as f64;
x1 as f64;
x0 as f32;
x1 as f32;
1isize as i32;
1isize as u32;
1usize as u32;
1usize as i32;
// Casting to *size
1i64 as isize;
1i64 as usize;
1u64 as isize;
1u64 as usize;
1u32 as isize;
1u32 as usize; // Should not trigger any lint
1i32 as isize; // Neither should this
1i32 as usize;
// Big integer literal to float
999_999_999 as f32;
9_999_999_999_999_999usize as f64;
}