Function sum

sum(iterable): number
Compute the sum of an array of numbers.
Parameters
- iterable: Iterable<Numeric>
Returns number
sum<T>(iterable, accessor): number
Compute the sum of an array, using the given accessor to convert values to numbers.
Type Parameters
- T
Parameters
- iterable: Iterable<T>
- accessor: ((datum, index, array) => number)
  - - (datum, index, array): number
    - Parameters
      datum: T
      index: number
      array: Iterable<T>
      Returns number
Returns number