Iteration over Hash Elements
Explore how to iterate over hash elements in Ruby using each, each_key, and other methods. Learn how to check for the presence of keys in hashes and apply these techniques in real-world coding scenarios.
We'll cover the following...
We'll cover the following...
Iteration over hash elements isn’t something we see very often because the main purpose of hash data structure is to add and access elements by a key. However, it’s always good to know how to iterate over elements. We already know how to iterate over arrays: ...