package timer

import (
	"container/heap"
	"fmt"
	"testing"
)

type myHeap []int

func (h *myHeap) Less(i, j int) bool {
	return (*h)[i] < (*h)[j]
}

func (h *myHeap) Swap(i, j int) {
	(*h)[i], (*h)[j] = (*h)[j], (*h)[i]
}

func (h *myHeap) Len() int {
	return len(*h)
}

func (h *myHeap) Pop() (v any) {
	*h, v = (*h)[:h.Len()-1], (*h)[h.Len()-1]
	return
}

func (h *myHeap) Push(v any) {
	*h = append(*h, v.(int))
}

func TestMyHelp(t *testing.T) {
	h := new(myHeap)
	for _, v := range []int{5, 3, 8, 1, 2, 7} {
		heap.Push(h, v)
	}
	fmt.Println(h)
	for range len(*h) {
		fmt.Println(heap.Pop(h), h)
	}
}