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fn main() {
format!("\x7Ba}");
//~^ ERROR cannot find value `a` in this scope
format!("\x7Ba\x7D");
//~^ ERROR cannot find value `a` in this scope
let a = 0;
format!("\x7Ba} {b}");
//~^ ERROR cannot find value `b` in this scope
format!("\x7Ba\x7D {b}");
//~^ ERROR cannot find value `b` in this scope
format!("\x7Ba} \x7Bb}");
//~^ ERROR cannot find value `b` in this scope
format!("\x7Ba\x7D \x7Bb}");
//~^ ERROR cannot find value `b` in this scope
format!("\x7Ba\x7D \x7Bb\x7D");
//~^ ERROR cannot find value `b` in this scope
}
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