Ruby 2.6 adds String#split with block

Before Ruby 2.6, String#split returned array of split strings. In Ruby 2.6, a block can be passed to String#split (Link is not available) which yields each split string and operates on it. This avoids creating an array and thus is memory efficient. We will add method is_fruit? to understand how to use split with a block. 1def is_fruit?(value) 2%w(apple mango banana watermelon grapes guava lychee).