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macro_rules! macro_panic {
($not_a_function:expr, $some_argument:ident) => {
$not_a_function($some_argument)
}
}
fn main() {
let mut value_a = 0;
let mut value_b = 0;
macro_panic!(value_a, value_b);
//~^ ERROR expected function, found `{integer}`
}
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