Function fromOption

fromOption<T>(opt: Option.Option<T>): List.List<T>

Converts Option into a list.

Type Parameters

T

Parameters

opt: Option.Option<T>
The source optional.

Returns List.List<T>

The list of zero or one elements.

Examples

Example

const listOf2 = fromOption(Option.some(2));
expect(listOf2.current()).toStrictEqual(Option.some(2));
expect(listOf2.rest()).toStrictEqual(empty());

const listOfNone = fromOption(Option.none());
expect(listOfNone.current()).toStrictEqual(Option.none());
expect(listOfNone.rest()).toStrictEqual(empty());