Function ap

ap<A, B>(of): ((oa) => Opt<B>)
```
<A, B>(of: Opt<(_: A) => B>) => (oa: Opt<A>): Opt<B>
```
Apply oa to function of. If any argument is None then result is None.
```
ap(opt(x => x > 0))(opt(1)) // Opt(true)
ap(opt(x => x > 0))(none) // None
ap(none)(opt(1)) // None
ap(none)(none) // None
```
Type Parameters
- A
- B
Parameters
- of: Opt<((_) => B)>
Returns ((oa) => Opt<B>)
- - (oa): Opt<B>
  - Parameters
    - oa: Opt<A>
    Returns Opt<B>
Typeparam
A input of function inside of

Typeparam
B output of function inside of
- Defined in Opt.ts:2315

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