[functor]: Add more utility functions for functor

Ailrun / typed-f

Typed functional programming utilities

MIT License

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[functor]: Add more utility functions for functor #48

Open Ailrun opened 5 years ago

Ailrun commented 5 years ago

Description

Currently @typed-f/functor only have one util function, namely map. However, functor can do more things, like replace : <Tag, T>(v: T, fv: Functor1<Tag, any>) => Functor1<Tag, T>.