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lines changed Original file line number Diff line number Diff line change 1+ // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2+ // file at the top-level directory of this distribution and at
3+ // http://rust-lang.org/COPYRIGHT.
4+ //
5+ // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6+ // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7+ // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8+ // option. This file may not be copied, modified, or distributed
9+ // except according to those terms.
10+
11+ macro_rules! columnline {
12+ ( ) => (
13+ ( column!( ) , line!( ) )
14+ )
15+ }
16+
17+ macro_rules! indirectcolumnline {
18+ ( ) => (
19+ ( ||{ columnline!( ) } ) ( )
20+ )
21+ }
22+
23+ fn main ( ) {
24+ let closure = || {
25+ columnline ! ( )
26+ } ;
27+ let iflet = if let Some ( _) = Some ( 0 ) {
28+ columnline ! ( )
29+ } else { ( 0 , 0 ) } ;
30+ let cl = columnline ! ( ) ;
31+ assert_eq ! ( closure( ) , ( 8 , 25 ) ) ;
32+ assert_eq ! ( iflet, ( 8 , 28 ) ) ;
33+ assert_eq ! ( cl, ( 13 , 30 ) ) ;
34+ let indirect = indirectcolumnline ! ( ) ;
35+ assert_eq ! ( indirect, ( 19 , 34 ) ) ;
36+ }
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