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extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_derive(AddImpl)]
pub fn derive(input: TokenStream) -> TokenStream {
"use std::cmp::Ordering;
impl<T> Ord for PriorityQueue<T> {
fn cmp(&self, other: &Self) -> Ordering {
self.0.cmp(&self.height)
}
}
"
.parse()
.unwrap()
}
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