//@ run-pass enum Foo { B { b1: isize, bb1: isize}, } macro_rules! match_inside_expansion { () => ( match (Foo::B { b1:29 , bb1: 100}) { Foo::B { b1:b2 , bb1:bb2 } => b2+bb2 } ) } pub fn main() { assert_eq!(match_inside_expansion!(),129); }