src/test/ui/hygiene/arguments.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

// 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.

// ignore-pretty pretty-printing is unhygienic

#![feature(decl_macro)]

macro m($t:ty, $e:expr) {
    mod foo {
        #[allow(unused)]
        struct S;
        pub(super) fn f(_: $t) {}
    }
    foo::f($e);
}

fn main() {
    struct S;
    m!(S, S); //~ ERROR cannot find type `S` in this scope
}