Function max

max<T>(object, fn): T | undefined
Find the maximum value in an iterable.
Type Parameters
- T
Parameters
- object: Iterable<T>
  The iterable object to search.
- fn: ((first, second) => number)
  The 3-way comparison function to apply to the values. It should return < 0 if the first value is less than the second. 0 if the values are equivalent, or > 0 if the first value is greater than the second.
  - - (first, second): number
    - Parameters
      first: T
      second: T
      Returns number
Returns T | undefined
The maximum value in the iterable. If multiple values are equivalent to the maximum, the left-most value is returned. If the iterable is empty, this returns undefined.

Complexity
Linear.

Example
```
import { max } from '@lumino/algorithm';

function numberCmp(a: number, b: number): number {
  return a - b;
}

max([7, 4, 0, 3, 9, 4], numberCmp);  // 9
```
- Defined in find.ts:174