35 lines
914 B
Rust
35 lines
914 B
Rust
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// Copyright 2017 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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#![feature(decl_macro)]
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pub macro m($foo:ident, $f:ident, $e:expr) {
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mod foo {
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pub fn f() -> u32 { 0 }
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pub fn $f() -> u64 { 0 }
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}
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mod $foo {
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pub fn f() -> i32 { 0 }
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pub fn $f() -> i64 { 0 }
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}
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let _: u32 = foo::f();
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let _: u64 = foo::$f();
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let _: i32 = $foo::f();
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let _: i64 = $foo::$f();
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let _: i64 = $e;
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}
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fn main() {
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m!(foo, f, foo::f());
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let _: i64 = foo::f();
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}
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