Function fromOptional

fromOptional(value: undefined): Nothing<never>
Maybe constructor from optional value

Resolves to 'nothing' in case of undefined value and 'just value' otherwise
Parameters
- value: undefined
  possibly undefined value
Returns Nothing<never>
either 'just value' or 'nothing'
- Defined in maybe.ts:510
fromOptional<R>(value: Exclude<R, undefined>): Just<R>
Maybe constructor from optional value

Resolves to 'nothing' in case of undefined value and 'just value' otherwise
Type Parameters
- R
  underlying type
Parameters
- value: Exclude<R, undefined>
  possibly undefined value
Returns Just<R>
either 'just value' or 'nothing'
- Defined in maybe.ts:511
fromOptional<R>(value: R | undefined): Maybe<R>
Maybe constructor from optional value

Resolves to 'nothing' in case of undefined value and 'just value' otherwise
Type Parameters
- R
  underlying type
Parameters
- value: R | undefined
  possibly undefined value
Returns Maybe<R>
either 'just value' or 'nothing'
- Defined in maybe.ts:512