src/test/ui/rfc-2632-const-trait-impl/hir-const-check.rs

   1 // Regression test for #69615.
   2
   3 #![feature(const_trait_impl)]
   4
   5 pub trait MyTrait {
   6     fn method(&self) -> Option<()>;
   7 }
   8
   9 impl const MyTrait for () {
  10     fn method(&self) -> Option<()> {
  11         Some(())?; //~ ERROR `?` is not allowed in a `const fn`
  12         None
  13     }
  14 }
  15
  16 fn main() {}