caseOf (method)

Abstract caseOf

• caseOf<R>(someCase, noneCase): R

• Applies appropriate function and returns result from the function.

  Type Parameters

  • R

  Parameters

  • someCase: ((x) => R)

    Processing function for Some.

    • • (x): R

      • Parameters

        • x: T

        Returns R

  • noneCase: (() => R)

    Processing function for None.

    • • (): R

      • Returns R

  Returns R

  Example

  some(1).caseOf(x => x + 1, () => 0) // 2
  none.caseOf(x => x + 1, () => 0) // 0
  

  See

  • Opt.onBoth for imperative version
  • caseOf