Function or

or<T>(optB): ((optA) => Option<T>)
Returns the optional optA if it contains a value, otherwise returns optB. The order of arguments is reversed because of that it is useful for partial applying.
Type Parameters
- T
Parameters
- optB: Option<T>
  The fallback optional.
Returns ((optA) => Option<T>)
optA or optB.

Examples
```
import { or, some, none } from "./option.ts";
import { assertEquals } from "../deps.ts";

assertEquals(or(none())(none()), none());
assertEquals(or(none())(some(2)), some(2));
assertEquals(or(some(100))(none()), some(100));
assertEquals(or(some(100))(some(2)), some(2));
```
- - (optA): Option<T>
  - Parameters
    - optA: Option<T>
    Returns Option<T>
- Defined in src/option.ts:343

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