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54a0048b | 1 | // Copyright 2016 The Rust Project Developers. See the COPYRIGHT |
223e47cc LB |
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 | ||
476ff2be SL |
11 | fn main() { |
12 | println!("{"); | |
13 | println!("{{}}"); | |
14 | println!("}"); | |
94b46f34 XL |
15 | let _ = format!("{_foo}", _foo = 6usize); |
16 | //~^ ERROR invalid format string: invalid argument name `_foo` | |
17 | let _ = format!("{_}", _ = 6usize); | |
18 | //~^ ERROR invalid format string: invalid argument name `_` | |
19 | let _ = format!("{"); | |
20 | //~^ ERROR invalid format string: expected `'}'` but string was terminated | |
21 | let _ = format!("}"); | |
22 | //~^ ERROR invalid format string: unmatched `}` found | |
23 | let _ = format!("{\\}"); | |
24 | //~^ ERROR invalid format string: expected `'}'`, found `'\\'` | |
476ff2be | 25 | } |