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//@ proc-macro: format-string-proc-macro.rs
#[macro_use]
extern crate format_string_proc_macro;
macro_rules! identity_mbe {
($tt:tt) => {
$tt
};
}
fn main() {
let a = 0;
format!(identity_pm!("{a}"));
//~^ ERROR there is no argument named `a`
format!(identity_mbe!("{a}"));
//~^ ERROR there is no argument named `a`
format!(concat!("{a}"));
//~^ ERROR there is no argument named `a`
}
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