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// Copyright 2016 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.
#![allow(unused_macros)]
mod macros_cant_escape_fns {
fn f() {
macro_rules! m { () => { 3 + 4 } }
}
fn g() -> i32 { m!() }
//~^ ERROR cannot find macro
}
mod macros_cant_escape_mods {
mod f {
macro_rules! m { () => { 3 + 4 } }
}
fn g() -> i32 { m!() }
//~^ ERROR cannot find macro
}
mod macros_can_escape_flattened_mods_test {
#[macro_use]
mod f {
macro_rules! m { () => { 3 + 4 } }
}
fn g() -> i32 { m!() }
}
fn macro_tokens_should_match() {
macro_rules! m { (a) => { 13 } }
m!(a);
}
// should be able to use a bound identifier as a literal in a macro definition:
fn self_macro_parsing() {
macro_rules! foo { (zz) => { 287; } }
fn f(zz: i32) {
foo!(zz);
}
}
fn main() {}
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