rust/tests/ui/suggestions/missing-format-specifiers-issue-68293.rs

fn no_format_specifier_two_unused_args() {
    println!("Hello", "World");
    //~^ ERROR argument never used
    //~| NOTE formatting specifier missing
    //~| NOTE argument never used
    //~| HELP format specifiers use curly braces, consider adding a format specifier
}

fn no_format_specifier_multiple_unused_args() {
    println!("list: ", 1, 2, 3);
    //~^ ERROR multiple unused formatting arguments
    //~| NOTE multiple missing formatting specifiers
    //~| NOTE argument never used
    //~| NOTE argument never used
    //~| NOTE argument never used
    //~| HELP format specifiers use curly braces, consider adding 3 format specifiers
}

fn missing_format_specifiers_one_unused_arg() {
    println!("list: {}, {}", 1, 2, 3);
    //~^ ERROR argument never used
    //~| NOTE formatting specifier missing
    //~| NOTE argument never used
}

fn missing_format_specifiers_multiple_unused_args() {
    println!("list: {}", 1, 2, 3);
    //~^ ERROR multiple unused formatting arguments
    //~| NOTE multiple missing formatting specifiers
    //~| NOTE argument never used
    //~| NOTE argument never used
    //~| NOTE consider adding 2 format specifiers
}

fn unicode_unused_args() {
    panic!("👆", "👆", 1);
    //~^ ERROR multiple unused formatting arguments
    //~| NOTE multiple missing formatting specifiers
    //~| NOTE argument never used
    //~| NOTE argument never used
    //~| HELP format specifiers use curly braces, consider adding 2 format specifiers
}

fn raw_str_unused_arg() {
    format_args!(r##"lJ𐏿Æ�.𐏿�"##, r#"r}J𐏿Æ" {}"#, 1);
    //~^ ERROR multiple unused formatting arguments
    //~| NOTE multiple missing formatting specifiers
    //~| NOTE argument never used
    //~| NOTE argument never used
    //~| HELP format specifiers use curly braces, consider adding 2 format specifiers
}

fn valid_new_lines_unused_args() {
    panic!("Expect 2 newlines

", "👆", 1);
    //~^ ERROR multiple unused formatting arguments
    //~| NOTE argument never used
    //~| NOTE argument never used
    //~^^^^^^ NOTE multiple missing formatting specifiers
    //~| HELP format specifiers use curly braces, consider adding 2 format specifiers
}

fn main() { }