# let square x = x * x val square : int -> int = < fun > # square 3 - : int = 9 # let rec fac x = if x <= 1 then 1 else x * fac (x - 1) val fac : int -> int = < fun > # fac 5 - : int = 120 # square 120 - : int = 14400
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# let square x = x * x val square : int -> int = < fun > # square 3 - : int = 9 # let rec fac x = if x <= 1 then 1 else x * fac (x - 1) val fac : int -> int = < fun > # fac 5 - : int = 120 # square 120 - : int = 14400
Reason · Reason を使うと、JavaScript & OCaml の両方のエコシステムを活用しながら、単純、高速かつ高品質な型安全コードを書くことができます。
Hello! This particular page hash has moved to . Please update the URLs to reflect it. Thanks! type schoolPerson = | Teacher | Director | Student(string); let greeting = person => switch (person) { | Teacher => "Hey Professor!" | Director => "Hello Director." | Student("Richard") => "Still here Ricky?" | Student(anyOtherName) => "Hey, " ++ anyOtherName ++ "." }; type schoolPerson = Teacher | Direct
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