utils.go

package test

import "reflect"

func SliceEqualBy(slice interface{}, checkFun func(i int) bool) bool {
	rv := reflect.ValueOf(slice)
	for i := 0; i < rv.Len(); i++ {
		if !checkFun(i) {
			return false
		}
	}
	return true
}

func SliceMap(slice interface{}, fun func(i int) interface{}) []interface{} {
	rv := reflect.ValueOf(slice)
	n := rv.Len()
	ret := make([]interface{}, n)
	for i := 0; i < n; i++ {
		ret[i] = fun(i)
	}
	return ret
}