37 lines
988 B
Rust
37 lines
988 B
Rust
// Copyright 2015 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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macro_rules! columnline {
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() => (
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(column!(), line!())
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)
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}
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macro_rules! indirectcolumnline {
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() => (
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(||{ columnline!() })()
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)
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}
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fn main() {
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let closure = || {
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columnline!()
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};
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let iflet = if let Some(_) = Some(0) {
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columnline!()
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} else { (0, 0) };
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let cl = columnline!();
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assert_eq!(closure(), (9, 25));
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assert_eq!(iflet, (9, 28));
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assert_eq!(cl, (14, 30));
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let indirect = indirectcolumnline!();
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assert_eq!(indirect, (20, 34));
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}
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