Method set

src/common/max_heap.rs:47–55

(&mut self, i: usize, key: K)

    }

    pub fn set(&mut self, i: usize, key: K) {
        match self.keys.get(i) {
            Some(v) if &key >= v => {
                self.keys[i] = key;
                heap_fix(&mut self.keys, i);
            }
            _ => (),
        }
    }

    pub fn insert(&mut self, key: K) {
        let i = self.keys.len();