rust/tests/ui/unused_format_specs_unfixable.rs

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2022-10-13 07:13:54 -05:00
#![warn(clippy::unused_format_specs)]
#![allow(unused)]
macro_rules! format_args_from_macro {
() => {
format_args!("from macro")
};
}
fn main() {
// prints `.`, not ` .`
println!("{:5}.", format_args!(""));
//prints `abcde`, not `abc`
println!("{:.3}", format_args!("abcde"));
println!("{:5}.", format_args_from_macro!());
let args = format_args!("");
println!("{args:5}");
}
fn should_not_lint() {
println!("{}", format_args!(""));
// Technically the same as `{}`, but the `format_args` docs specifically mention that you can use
// debug formatting so allow it
println!("{:?}", format_args!(""));
let args = format_args!("");
println!("{args}");
}