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
|
// check-pass
// run-rustfix
fn main() {
let mut _x: usize;
_x = 1;
println!("_x is {_x}", _x = 5);
//~^ WARNING named argument `_x` is not used by name [named_arguments_used_positionally]
//~| HELP use the named argument by name to avoid ambiguity
println!("_x is {y}", y = _x);
//~^ WARNING named argument `y` is not used by name [named_arguments_used_positionally]
//~| HELP use the named argument by name to avoid ambiguity
println!("first positional arg {}, second positional arg {}, _x is {y}", 1, 2, y = _x);
//~^ WARNING named argument `y` is not used by name [named_arguments_used_positionally]
//~| HELP use the named argument by name to avoid ambiguity
let mut _x: usize;
_x = 1;
let _f = format!("_x is {_x}", _x = 5);
//~^ WARNING named argument `_x` is not used by name [named_arguments_used_positionally]
//~| HELP use the named argument by name to avoid ambiguity
let _f = format!("_x is {y}", y = _x);
//~^ WARNING named argument `y` is not used by name [named_arguments_used_positionally]
//~| HELP use the named argument by name to avoid ambiguity
let _f = format!("first positional arg {}, second positional arg {}, _x is {y}", 1, 2, y = _x);
//~^ WARNING named argument `y` is not used by name [named_arguments_used_positionally]
//~| HELP use the named argument by name to avoid ambiguity
let s = "0.009";
// Confirm that named arguments used in formatting are correctly considered.
println!(".{:0<width$}", s, width = _x);
let region = "abc";
let width = 8;
let ls = "abcde";
let full = "abcde";
// Confirm that named arguments used in formatting are correctly considered.
println!(
"| {r:rw$?} | {ui:4?} | {v}",
r = region,
rw = width,
ui = ls,
v = full,
);
// Confirm that named arguments used in formatting are correctly considered.
println!("{:.a$}", "aaaaaaaaaaaaaaaaaa", a = 4);
// Confirm that named arguments used in formatting are correctly considered.
println!("{:._a$}", "aaaaaaaaaaaaaaaaaa", _a = 4);
}
|