src/test/ui/consts/const-block-const-bound.rs

   1 #![allow(unused)]
   2 #![feature(const_trait_impl, inline_const, negative_impls)]
   3
   4 use std::marker::Destruct;
   5
   6 const fn f<T: ~const Destruct>(x: T) {}
   7
   8 struct UnconstDrop;
   9
  10 impl Drop for UnconstDrop {
  11     fn drop(&mut self) {}
  12 }
  13
  14 struct NonDrop;
  15
  16 impl !Drop for NonDrop {}
  17
  18 fn main() {
  19     const {
  20         f(UnconstDrop);
  21         //~^ ERROR can't drop
  22         f(NonDrop);
  23         //~^ ERROR can't drop
  24     }
  25 }