src/test/ui/const-generics/argument_order.rs

   1 // revisions: full min
   2 #![cfg_attr(full, feature(const_generics))]
   3 #![cfg_attr(full, allow(incomplete_features))]
   4 #![cfg_attr(min, feature(min_const_generics))]
   5
   6 struct Bad<const N: usize, T> {
   7     //[min]~^ ERROR type parameters must be declared prior to const parameters
   8     arr: [u8; { N }],
   9     another: T,
  10 }
  11
  12 struct AlsoBad<const N: usize, 'a, T, 'b, const M: usize, U> {
  13     //~^ ERROR lifetime parameters must be declared prior
  14     //[min]~^^ ERROR type parameters must be declared prior to const parameters
  15     a: &'a T,
  16     b: &'b U,
  17 }
  18
  19 fn main() {
  20     let _: AlsoBad<7, 'static, u32, 'static, 17, u16>;
  21     //~^ ERROR lifetime provided when a type was expected
  22  }