Function maxBy

maxBy<T>(xs: readonly T[], fn: (x: T) => number): OptionType<T>
Find the element whose numeric projection is largest. Returns none on empty input. Ties resolve to the earlier element.

Dual API — works data-first or curried for use in pipe.
Type Parameters
- T
Parameters
- xs: readonly T[]
- fn: (x: T) => number
Returns OptionType<T>
Example
```
pipe(
    products,
    Arrays.maxBy((p) => p.price),
  )
```
- Defined in arrays/aggregate.ts:113
maxBy<T>(fn: (x: T) => number): (xs: readonly T[]) => OptionType<T>
Find the element whose numeric projection is largest. Returns none on empty input. Ties resolve to the earlier element.

Dual API — works data-first or curried for use in pipe.
Type Parameters
- T
Parameters
- fn: (x: T) => number
Returns (xs: readonly T[]) => OptionType<T>
Example
```
pipe(
    products,
    Arrays.maxBy((p) => p.price),
  )
```
- Defined in arrays/aggregate.ts:114