src/test/ui/consts/rfc-2203-const-array-repeat-exprs/fn-call-in-non-const.rs

   1 #![feature(const_in_array_repeat_expressions)]
   2
   3 // Some type that is not copyable.
   4 struct Bar;
   5
   6 const fn no_copy() -> Option<Bar> {
   7     None
   8 }
   9
  10 const fn copy() -> u32 {
  11     3
  12 }
  13
  14 fn main() {
  15     let _: [u32; 2] = [copy(); 2];
  16     let _: [Option<Bar>; 2] = [no_copy(); 2];
  17     //~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied
  18 }