1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// ignore-tidy-tab
fn main() {
println!("{");
//~^ ERROR invalid format string: expected `'}'` but string was terminated
println!("{{}}");
println!("}");
//~^ ERROR invalid format string: unmatched `}` found
let _ = format!("{_}", _ = 6usize);
//~^ ERROR invalid format string: invalid argument name `_`
let _ = format!("{a:_}", a = "", _ = 0);
//~^ ERROR invalid format string: invalid argument name `_`
let _ = format!("{a:._$}", a = "", _ = 0);
//~^ ERROR invalid format string: invalid argument name `_`
let _ = format!("{");
//~^ ERROR invalid format string: expected `'}'` but string was terminated
let _ = format!("}");
//~^ ERROR invalid format string: unmatched `}` found
let _ = format!("{\\}");
//~^ ERROR invalid format string: expected `'}'`, found `'\\'`
let _ = format!("\n\n\n{\n\n\n");
//~^ ERROR invalid format string
let _ = format!(r###"
{"###);
//~^ ERROR invalid format string
let _ = format!(r###"
{
"###);
//~^ ERROR invalid format string
let _ = format!(r###"
}
"###);
//~^^^ ERROR invalid format string
let _ = format!(r###"
}
"###);
//~^^^ ERROR invalid format string: unmatched `}` found
println!("{} {} {}", 1, 2);
//~^ ERROR 3 positional arguments in format string, but there are 2 arguments
}
|
