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

   1 #[warn(cast_precision_loss, cast_possible_truncation, cast_sign_loss, cast_possible_wrap, cast_lossless)]
   2 #[allow(no_effect, unnecessary_operation)]
   3 fn main() {
   4     // Casting from *size
   5     1isize as i8;
   6     1isize as f64;
   7     1usize as f64;
   8     1isize as f32;
   9     1usize as f32;
  10     1isize as i32;
  11     1isize as u32;
  12     1usize as u32;
  13     1usize as i32;
  14     // Casting to *size
  15     1i64 as isize;
  16     1i64 as usize;
  17     1u64 as isize;
  18     1u64 as usize;
  19     1u32 as isize;
  20     1u32 as usize; // Should not trigger any lint
  21     1i32 as isize; // Neither should this
  22     1i32 as usize;
  23 }