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