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