// run-pass #![allow(dead_code)] // after fixing #9384 and implementing hygiene for match bindings, // this now fails because the insertion of the 'y' into the match // doesn't cause capture. Making this macro hygienic (as I've done) // could very well make this test case completely pointless.... // pretty-expanded FIXME #23616 enum T { A(isize), B(usize) } macro_rules! test { ($id:ident, $e:expr) => ( fn foo(t: T) -> isize { match t { T::A($id) => $e, T::B($id) => $e } } ) } test!(y, 10 + (y as isize)); pub fn main() { foo(T::A(20)); }