generics を用いた抽象化セグ木のプロトタイプ実装

[monkukui]

Ramge Maxima Query の場合

- a := make([]interface{}, n)
+ a := make([]int, n)
for i := 0; i < n; i++ {
	a[i] = io.NextInt()
}
- op := func(a, b interface{}) interface{} {
+ op := func(a, b int) int {
- 	aa, _ := a.(int)
- 	bb, _ := b.(int)
	if aa > bb {
		return aa
	}
	return bb
}
- e := func() interface{} {
+ e := func() int {
	return -1
}
- seg := NewBySlice(op, e, a)
+ seg := NewBySlice[int](op, e, a)

[github-actions]

🚫 [golangci] _{reported by reviewdog 🐶}
expected ']', found any (typecheck)