// aux-build:test-macros.rs // check-pass extern crate test_macros; use test_macros::recollect; macro_rules! use_expr { ($expr:expr) => { recollect!($expr) } } #[allow(dead_code)] struct Foo; impl Foo { #[allow(dead_code)] fn use_self(self) { drop(use_expr!(self)); } } fn main() {}