src/test/ui/macros/macros-in-extern-rpass.rs

   1 // run-pass
   2 // ignore-wasm32
   3
   4 #![feature(decl_macro, macros_in_extern)]
   5
   6 macro_rules! returns_isize(
   7     ($ident:ident) => (
   8         fn $ident() -> isize;
   9     )
  10 );
  11
  12 macro takes_u32_returns_u32($ident:ident) {
  13     fn $ident (arg: u32) -> u32;
  14 }
  15
  16 macro_rules! emits_nothing(
  17     () => ()
  18 );
  19
  20 fn main() {
  21     assert_eq!(unsafe { rust_get_test_int() }, 1isize);
  22     assert_eq!(unsafe { rust_dbg_extern_identity_u32(0xDEADBEEF) }, 0xDEADBEEFu32);
  23 }
  24
  25 #[link(name = "rust_test_helpers", kind = "static")]
  26 extern {
  27     returns_isize!(rust_get_test_int);
  28     takes_u32_returns_u32!(rust_dbg_extern_identity_u32);
  29     emits_nothing!();
  30 }