src/test/ui/issues/issue-54954.rs

   1 const ARR_LEN: usize = Tt::const_val::<[i8; 123]>();
   2 //~^ ERROR type annotations needed
   3
   4 trait Tt {
   5     const fn const_val<T: Sized>() -> usize {
   6         //~^ ERROR functions in traits cannot be declared const
   7         core::mem::size_of::<T>()
   8     }
   9 }
  10
  11 fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
  12   //~^ ERROR evaluation of constant value failed
  13   //~| ERROR evaluation of constant value failed
  14     z
  15 }
  16
  17 fn main() {
  18     let _ = f([1f32; ARR_LEN]);
  19 }