src/test/ui/proc-macro/capture-macro-rules-invoke.rs

   1 // aux-build:test-macros.rs
   2 // check-pass
   3
   4 extern crate test_macros;
   5 use test_macros::recollect;
   6
   7 macro_rules! use_expr {
   8     ($expr:expr) => {
   9         recollect!($expr)
  10     }
  11 }
  12
  13 #[allow(dead_code)]
  14 struct Foo;
  15 impl Foo {
  16     #[allow(dead_code)]
  17     fn use_self(self) {
  18         drop(use_expr!(self));
  19     }
  20 }
  21
  22 fn main() {}