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// macro f should not be able to inject a reference to 'n'.
macro_rules! f { () => (n) }
//~^ ERROR cannot find value `n` in this scope
//~| ERROR cannot find value `n` in this scope
//~| ERROR cannot find value `n` in this scope
//~| ERROR cannot find value `n` in this scope
fn main() -> (){
for n in 0..1 {
println!("{}", f!());
}
if let Some(n) = None {
println!("{}", f!());
}
if false {
} else if let Some(n) = None {
println!("{}", f!());
}
while let Some(n) = None {
println!("{}", f!());
}
}
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