src/test/ui/lint/trivial-casts.rs

   1 #![deny(trivial_casts, trivial_numeric_casts)]
   2
   3 fn main() {
   4     let lugubrious = 12i32 as i32;
   5     //~^ ERROR trivial numeric cast
   6     let haunted: &u32 = &99;
   7     let _ = haunted as *const u32;
   8     //~^ ERROR trivial cast
   9 }