src/test/ui/polymorphization/promoted-function-2.rs

   1 // build-fail
   2 // compile-flags:-Zpolymorphize=on
   3 #![crate_type = "lib"]
   4 #![feature(generic_const_exprs, rustc_attrs)]
   5 //~^ WARN the feature `generic_const_exprs` is incomplete
   6
   7 #[rustc_polymorphize_error]
   8 fn test<T>() {
   9     //~^ ERROR item has unused generic parameters
  10     let x = [0; 3 + 4];
  11 }
  12
  13 pub fn caller() {
  14     test::<String>();
  15     test::<Vec<String>>();
  16 }