49 lines
1.2 KiB
Rust
49 lines
1.2 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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mod macros_cant_escape_fns {
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fn f() {
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macro_rules! m { () => { 3 + 4 } }
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}
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fn g() -> i32 { m!() }
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//~^ ERROR cannot find macro
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}
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mod macros_cant_escape_mods {
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mod f {
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macro_rules! m { () => { 3 + 4 } }
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}
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fn g() -> i32 { m!() }
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//~^ ERROR cannot find macro
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}
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mod macros_can_escape_flattened_mods_test {
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#[macro_use]
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mod f {
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macro_rules! m { () => { 3 + 4 } }
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}
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fn g() -> i32 { m!() }
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}
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fn macro_tokens_should_match() {
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macro_rules! m { (a) => { 13 } }
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m!(a);
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}
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// should be able to use a bound identifier as a literal in a macro definition:
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fn self_macro_parsing() {
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macro_rules! foo { (zz) => { 287; } }
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fn f(zz: i32) {
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foo!(zz);
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}
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}
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fn main() {}
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