package utils

type ObjectType []interface{}

func ForEach[T any](arr *[]T, fun func(item *T)) {
	for i := range *arr {
		fun(&((*arr)[i]))
	}
}

func Map[T any, V any](arr []T, fun func(item T) V) []V {
	res := make([]V, 0, len(arr))
	for _, item := range arr {
		res = append(res, fun(item))
	}
	return res
}

func Distinct[T comparable](arr []T) []T {
	set := map[T]interface{}{}
	for _, item := range arr {
		set[item] = nil
	}
	var res []T
	for k := range set {
		res = append(res, k)
	}
	return res
}

func Contains[T comparable](arr []T, item T) bool {
	for _, a := range arr {
		if a == item {
			return true
		}
	}
	return false
}