Attempt

Attempt Type

// Attempt<S,F>

type Attempt<S = any, F = any> = Success<S> | Failure<F>

// Usual format of an Attempt function

const AttemptFunction = (...params): Attempt<S, F> => {

const s: S

const f: F

const result: boolean

if (result) return Success(s)

else return Failure(f) // Attempt returns failures

}

Defines the return type on an Attempt function.

Attempt Function

// Attempt()

const Attempt = (operation: Attempt<S,F>): S

// A generic attempt function

const AttemptFunction = (): Attempt<S,F>

// Returns S or throws F

Attempt(AttemptFunction())

Unwraps the return value of an Attempt function, returning a value of type S or throwing a value of type F.