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

   1 // run-rustfix
   2
   3 #![warn(clippy::unnecessary_cast)]
   4 #![allow(clippy::no_effect, clippy::unnecessary_operation)]
   5
   6 fn main() {
   7     // casting integer literal to float is unnecessary
   8     100 as f32;
   9     100 as f64;
  10     100_i32 as f64;
  11     let _ = -100 as f32;
  12     let _ = -100 as f64;
  13     let _ = -100_i32 as f64;
  14     100. as f32;
  15     100. as f64;
  16     // Should not trigger
  17     #[rustfmt::skip]
  18     let v = vec!(1);
  19     &v as &[i32];
  20     0x10 as f32;
  21     0o10 as f32;
  22     0b10 as f32;
  23     0x11 as f64;
  24     0o11 as f64;
  25     0b11 as f64;
  26
  27     1 as u32;
  28     0x10 as i32;
  29     0b10 as usize;
  30     0o73 as u16;
  31     1_000_000_000 as u32;
  32
  33     1.0 as f64;
  34     0.5 as f32;
  35
  36     1.0 as u16;
  37
  38     let _ = -1 as i32;
  39     let _ = -1.0 as f32;
  40 }