func go.pact.im/x/phcformat/encode.NewKV

one use

	go.pact.im/x/phcformat/encode (current package)
		encode.go#L127: func NewKV[KeyAppender, SepAppender, ValAppender Appender](sep SepAppender, k KeyAppender, v ValAppender) KV[KeyAppender, SepAppender, ValAppender] {