Slide 19
Slide 19 text
パラメタを名前指定できる
関数を呼び出す場合などに、
パラメタを
パラメタ名=パラメタ値
形式で指定できます。
19
def address(
postCode: Option[String] = None,
country: String,
state: Option[String] = None,
prefecture: String,
city: String,
address: String,
building: Option[String] = None
) = ???
address(
postCode = Some("999-9999"),
country = "Japan",
prefecture = "Osaka",
city = "Osaka",
address = "1-1-1"
)