32 lines
855 B
Rust
32 lines
855 B
Rust
|
// 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.
|
||
|
|
|
||
|
|
// Be smart about span of parenthesized expression in macro.
|
||
|
|
|
||
|
|
macro_rules! paren {
|
||
|
|
($e:expr) => (($e))
|
||
|
|
// ^^^^ do not highlight here
|
||
|
|
}
|
||
|
|
|
||
|
|
mod m {
|
||
|
|
pub struct S {
|
||
|
|
x: i32
|
||
|
|
}
|
||
|
|
pub fn make() -> S {
|
||
|
|
S { x: 0 }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let s = m::make();
|
||
|
|
paren!(s.x); //~ ERROR field `x` of struct `m::S` is private
|
||
|
|
// ^^^ highlight here
|
||
|
|
}
|