3 safe ways to convert values into array in Ruby | by Tech - RubyCademy | RubyCademy | Medium
Removing conditionals with Ruby's Array wrap method - YouTube
Chris Oliver on Twitter: "Protip: You can use `Array.wrap` in #Rails to make sure you're always working with an Array no matter what is passed in. # ruby #activesupport. https://t.co/UhuWEv0PQn" / Twitter