Ruby - ga-dc/glossary GitHub Wiki

Symbols - are immutable values in Ruby. Symbols syntactically represented as: :symbol. We often use symbols because Ruby runs faster when we use symbols instead of strings. Symbols are especially common as keys in hashes.

Implicit Returns - Ruby makes use of implicit returns. This means that when we do not use the return keyword, Ruby will automatically return the value of the last line of code in the method.