package goutils func Contains[T comparable](arr []T, x T) bool { for _, v := range arr { if v == x { return true } } return false } func LookFor[T comparable](arr []T, x T) int { for i, v := range arr { if v == x { return i } } return -1 } func RemoveIndex[T comparable](s []T, index int) []T { return append(s[:index], s[index+1:]...) }