mirror of https://github.com/rust-lang/rust
52 lines
2.1 KiB
Rust
52 lines
2.1 KiB
Rust
//@ check-pass
|
|
//@ run-rustfix
|
|
|
|
fn main() {
|
|
let mut _x: usize;
|
|
_x = 1;
|
|
println!("_x is {}", _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 = _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 {}", 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 = 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 = _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 {}", 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);
|
|
}
|