Challenge: Finding the Array Sum

Problem statement

Handling different types is a common practice, especially when performing arithmetic operations. Your task is to write a function template called arrSum that takes an array arr of any numeric type (int, double, or float) and returns the sum of all elements in the array.

Analysis

We can extract the following information from the problem statement:

• arrSum: A function template that takes one parameter, arr, that can be of any numeric data type (int, double, or float) and returns the sum of all elements in the array: