Class Err<T, E>

constructor

• new Err<T = undefined, E = string>(error: E): Err<T, E>

  Type Parameters

  • T = undefined
  • E = string

  Parameters

  • error: E

  Returns Err<T, E>

Readonlyerror

createOuter

• createOuter<OuterT = undefined>(outerError: string): Err<OuterT, string>

  Type Parameters

  • OuterT = undefined

  Parameters

  • outerError: string

  Returns Err<OuterT, string>

createOuterResolvedPromise

• createOuterResolvedPromise<OuterT = undefined>(
      outerError: string,
  ): Promise<Err<OuterT, string>>

  Type Parameters

  • OuterT = undefined

  Parameters

  • outerError: string

  Returns Promise<Err<OuterT, string>>

createType

• createType<NewT>(): Err<NewT, E>

  Type Parameters

  • NewT

  Returns Err<NewT, E>

isErr

• isErr(): this is Err<T, E>

  Returns this is Err<T, E>

isOk

• isOk(): this is Ok<T, E>

  Returns this is Ok<T, E>