Function find

find<V>(
map: ReadonlyMap<string, V>,
predicate: (v: V) => boolean,
): undefined | V
Returns the first found value that matches predicate or undefined.

Use some if you don't care about the value, just whether it appears. Use filter to get all value(s) that match predicate.
Type Parameters
- V
Parameters
- map: ReadonlyMap<string, V>
  Map to search
- predicate: (v: V) => boolean
  Function that returns true for a matching value
Returns undefined | V
Found value or undefined
Example: First person over thirty
```
const overThirty = find(people, person => person.age > 30);
```