Don’t Use Objects as Hash Keys in Ruby* | Daniel P. ClarkDon’t Use Objects as Hash Keys in Ruby* Hashes have been optimized for symbols and strings in Ruby which technically are objects but this article is for revealing how much of a difference this makes when using other objects as hash keys. There are some cases where this makes a big difference but many times you won’t notice much of a difference. I wrote a little experiment to see how different kin
