Function map

map<T, U>(fn: (value: T) => U, option: Option<T>): Option<U>
Maps an Option<T> to Option<U> by applying a function to a contained value.
Type Parameters
- T
- U
Parameters
- fn: (value: T) => U
  Mapping function.
- option: Option<T>
  Option to map.
Returns Option<U>
Mapped Option.
- Defined in index.ts:154