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20250109 関数型
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saka
December 24, 2025
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20250109 関数型
saka
December 24, 2025
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Transcript
ؔܕ
جຊతͳߟ͑
ܕͰදݱ
શͯͷঢ়ଶΛܕ
ෆਖ਼ͳঢ়ଶ ίϯύΠϧΤϥʔ
ίϯύΠϧ ≒ Ϣχοτςετ
ܕʹ͍ͭͯͷཧղ
ؔͱ
ೖྗͱग़ྗ
None
ܕγάωνϟ
F#: let add1 x = x + 1 // int
-> int TS: const add1 = (x) => { return x + 1; }; // type add1 = (x: number) => number;
δΣωϦοΫܕ
// areEqual : 'a -> 'a -> bool let areEqual
x y = (x = y) const areEqual = <T>(x: T, y: T) => x === y;
ܕͷ߹
type Sample = { a: number; b: number; c: Validated
| Unvalidated | Priced; };