src/test/ui/const-generics/issues/issue-67945-4.rs

   1 // Regression test for
   2 // https://github.com/rust-lang/rust/issues/67945#issuecomment-572617285
   3
   4 // revisions: full min
   5 #![cfg_attr(full, feature(generic_const_exprs))]
   6 #![cfg_attr(full, allow(incomplete_features))]
   7
   8 struct Bug<S> { //[min]~ ERROR: parameter `S` is never used
   9     A: [(); { //[full]~ ERROR: overly complex generic constant
  10         let x: Option<Box<S>> = None;
  11         //[min]~^ ERROR: generic parameters may not be used in const operations
  12         0
  13     }],
  14 }
  15
  16 fn main() {}