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// Make sure that marks from declarative macros are applied to tokens in nonterminal.
// check-pass
// compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene
// compile-flags: -Z trim-diagnostic-paths=no
// ignore-tidy-linelength
// normalize-stdout-test "\d+#" -> "0#"
// normalize-stdout-test "expn\d{3,}" -> "expnNNN"
// normalize-stdout-test "extern crate compiler_builtins /\* \d+ \*/" -> "extern crate compiler_builtins /* NNN */"
// aux-build:test-macros.rs
#![feature(decl_macro)]
#![no_std] // Don't load unnecessary hygiene information from std
extern crate std;
#[macro_use]
extern crate test_macros;
macro_rules! outer {
($item:item) => {
macro inner() {
print_bang! { $item }
}
inner!();
};
}
struct S;
outer! {
struct S; // OK, not a duplicate definition of `S`
}
fn main() {}
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