Function last

last<T>(list: List.List<T>): Option.Option<T>
Gets the last element of the list. If the list is infinite, it hangs forever.
Type Parameters
- T
Parameters
- list: List.List<T>
  The source list.
Returns Option.Option<T>
The last element of list if exists.

Examples
Example
```
expect(last(empty())).toStrictEqual(Option.none());
expect(last(fromString("hoge"))).toStrictEqual(Option.some("e"));

const list = singleton(42);
expect(last(list)).toStrictEqual(Option.some(42));
expect(last(list.rest())).toStrictEqual(Option.none());
```
- Defined in src/list.ts:999