File: format-string-wrong-order.rs

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rustc 1.86.0%2Bdfsg1-1
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fn main() {
    let bar = 3;
    format!("{?:}", bar);
    //~^ ERROR invalid format string: expected format parameter to occur after `:`
    format!("{?:bar}");
    //~^ ERROR invalid format string: expected format parameter to occur after `:`
    format!("{?:?}", bar);
    //~^ ERROR invalid format string: expected format parameter to occur after `:`
    format!("{??}", bar);
    //~^ ERROR invalid format string: expected `}`, found `?`
    format!("{?;bar}");
    //~^ ERROR invalid format string: expected `}`, found `?`
    format!("{?:#?}", bar);
    //~^ ERROR invalid format string: expected format parameter to occur after `:`
    format!("Hello {<5:}!", "x");
    //~^ ERROR invalid format string: expected format parameter to occur after `:`
    format!("Hello {^5:}!", "x");
    //~^ ERROR invalid format string: expected format parameter to occur after `:`
    format!("Hello {>5:}!", "x");
    //~^ ERROR invalid format string: expected format parameter to occur after `:`
}