v4.0.0

Added new PromiseMatcher which makes working with matchers in and around Promises easier

3.1.0: Do not freeze returned values

FossilOrigin-Name: e58d2d667861170182f20effe84863edecfd2a7b2c9ecad57d5b90faf83e2653

Rename and more tooling

Renamed library to Option and added more tooling

Enforcing Maybe<T> values

BREAKING:

When calling match it is now enforced that a value is passed that can be null.
Typescript will throw an error if a values Type does not allow it to be null.

Add asMaybe

FossilOrigin-Name: 9eef0db831b3b364fb95b21b11f83a3347e07de45eb4cc85f8ead1a52055c47a

Initial release

Initial commit

FossilOrigin-Name: 5a8e2bde2f5cac54c8384a4fa6cd1161d3dbbba500670874c9d33899759a9d4c