src/test/ui/const-generics/const-fn-with-const-param.rs

   1 // Checks that `const fn` with const params can be used.
   2 // run-pass
   3 // revisions: full min
   4
   5 #![cfg_attr(full, feature(const_generics))]
   6 #![cfg_attr(full, allow(incomplete_features))]
   7 #![cfg_attr(min, feature(min_const_generics))]
   8
   9 const fn const_u32_identity<const X: u32>() -> u32 {
  10     X
  11 }
  12
  13 fn main() {
  14     assert_eq!(const_u32_identity::<18>(), 18);
  15 }