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#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(non_snake_case)]
#![deny(unreachable_patterns)]
enum Stack<T> {
Nil,
Cons(T, Box<Stack<T>>)
}
fn is_empty<T>(s: Stack<T>) -> bool {
match s {
Nil => true,
//~^ WARN pattern binding `Nil` is named the same as one of the variants of the type `Stack`
_ => false
//~^ ERROR unreachable pattern
}
}
fn main() {}
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