//@ check-pass | |
//@ edition:2018 | |
//@ compile-flags: -Z span-debug | |
//@ aux-build:test-macros.rs | |
#![no_std] // Don't load unnecessary hygiene information from std | |
extern crate std; | |
#[macro_use] extern crate test_macros; | |
macro_rules! foo {( | |
#[fake_attr] | |
$item:item | |
) => ( | |
$item | |
)} | |
macro_rules! outer {($item:item) => ( | |
print_bang! { // Identity proc-macro | |
foo! { | |
#[fake_attr] | |
$item | |
} | |
} | |
)} | |
outer! { | |
mod bar { | |
//! Foo | |
} | |
} | |
fn main() {} |