Be careful of accidentally using strict equality with === like so:
String==='s'.class
That works with == but will fail with ===.
=== is all types of fun in Ruby, especially for case statements and predicate methods like any?. It's even more fun when you realize Proc uses === for call. Taken one step further you can make your own classes which respond to === to do fun things.
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Be careful of accidentally using strict equality with
===like so:That works with
==but will fail with===.===is all types of fun in Ruby, especially forcasestatements and predicate methods likeany?. It's even more fun when you realizeProcuses===forcall. Taken one step further you can make your own classes which respond to===to do fun things.