Interface MaybeProvider<T>

interface MaybeProvider<T> {
    isNone: boolean;
    isSome: boolean;
    defaulting(value: T): MaybeProvider<T>;
    flatMap<R>(f: (unwrapped: T) => MaybeProvider<R>): MaybeProvider<R>;
    get(): T;
    getOrElse(value: T): T;
    map<R>(f: (wrapped: T) => R): MaybeProvider<R>;
}

Type Parameters

T

Implemented by

Index

Properties

Methods

defaulting flatMap get getOrElse map

Properties

`Readonly`isNone

isNone: boolean

`Readonly`isSome

isSome: boolean

Methods

defaulting

defaulting(value: T): MaybeProvider<T>
Default value wrapped in MaybeProvider.
Parameters
- value: T
  the value to wrap
Returns MaybeProvider<T>
a new MaybeProvider
- Defined in src/utils/Types.ts:58

flatMap

flatMap<R>(f: (unwrapped: T) => MaybeProvider<R>): MaybeProvider<R>
Type Parameters
- R
Parameters
- f: (unwrapped: T) => MaybeProvider<R>
Returns MaybeProvider<R>
- Defined in src/utils/Types.ts:40

get

get(): T
Returns T
- Defined in src/utils/Types.ts:42

getOrElse

getOrElse(value: T): T
Returns the some value or the provided default value.
Parameters
- value: T
  the default value to use if this Maybe is none
Returns T
the default value or the some value
- Defined in src/utils/Types.ts:50

map

map<R>(f: (wrapped: T) => R): MaybeProvider<R>
Transform the mapped element and return a new MaybeProvider with the result.
Type Parameters
- R
Parameters
- f: (wrapped: T) => R
  the function to use
Returns MaybeProvider<R>
- Defined in src/utils/Types.ts:38