/
intercrate.rs
56 lines (48 loc) · 1.43 KB
/
intercrate.rs
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(decl_macro)]
pub mod foo {
pub use self::bar::m;
mod bar {
fn f() -> u32 { 1 }
pub macro m() {
f();
}
}
}
pub struct SomeType;
// `$crate`
pub macro uses_dollar_crate_modern() {
type Alias = $crate::SomeType;
}
pub macro define_uses_dollar_crate_modern_nested($uses_dollar_crate_modern_nested: ident) {
macro $uses_dollar_crate_modern_nested() {
type AliasCrateModernNested = $crate::SomeType;
}
}
#[macro_export]
macro_rules! define_uses_dollar_crate_legacy_nested {
() => {
macro_rules! uses_dollar_crate_legacy_nested {
() => {
type AliasLegacyNested = $crate::SomeType;
}
}
}
}
// `crate`
pub macro uses_crate_modern() {
type AliasCrate = crate::SomeType;
}
pub macro define_uses_crate_modern_nested($uses_crate_modern_nested: ident) {
macro $uses_crate_modern_nested() {
type AliasCrateModernNested = crate::SomeType;
}
}