src/test/ui/issues/issue-38002.rs

   1 // run-pass
   2 #![allow(dead_code)]
   3 // Check that constant ADTs are codegened OK, part k of N.
   4
   5 enum Bar {
   6     C
   7 }
   8
   9 enum Foo {
  10     A {},
  11     B {
  12         y: usize,
  13         z: Bar
  14     },
  15 }
  16
  17 const LIST: [(usize, Foo); 2] = [
  18     (51, Foo::B { y: 42, z: Bar::C }),
  19     (52, Foo::B { y: 45, z: Bar::C }),
  20 ];
  21
  22 pub fn main() {
  23     match LIST {
  24         [
  25             (51, Foo::B { y: 42, z: Bar::C }),
  26             (52, Foo::B { y: 45, z: Bar::C })
  27         ] => {}
  28         _ => {
  29             // I would want to print the enum here, but if
  30             // the discriminant is garbage this causes an
  31             // `unreachable` and silent process exit.
  32             panic!("trivial match failed")
  33         }
  34     }
  35 }