src/test/ui/consts/min_const_fn/cast_errors.rs

   1 fn main() {}
   2
   3 const fn unsize(x: &[u8; 3]) -> &[u8] { x }
   4 const fn closure() -> fn() { || {} }
   5 //~^ ERROR function pointer
   6 //~| ERROR function pointer cast
   7 const fn closure2() {
   8     (|| {}) as fn();
   9 //~^ ERROR function pointer
  10 }
  11 const fn reify(f: fn()) -> unsafe fn() { f }
  12 //~^ ERROR function pointer
  13 //~| ERROR function pointer
  14 //~| ERROR function pointer cast
  15 const fn reify2() { main as unsafe fn(); }
  16 //~^ ERROR function pointer
  17 //~| ERROR function pointer cast