Function filter

filter<V>(map, predicate): Generator<V, void, unknown>
Returns values where predicate returns true.

If you just want the first match, use find
Type Parameters
- V
Parameters
- map: ReadonlyMap<string, V>
  Map
- predicate: ((v: V) => boolean)
  Filtering predicate
  - - (v): boolean
    - Parameters
      v: V
      Returns boolean
Returns Generator<V, void, unknown>
Values that match predicate
Example: All people over thirty
```
// for-of loop
for (const v of filter(people, person => person.age > 30)) {

}
// If you want an array
const overThirty = Array.from(filter(people, person => person.age > 30));
```