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Check if Ruby object is a Boolean
How can I avoid truthiness in Ruby?
Given an array like the following (for example):
[3, false, "String", 14, "20-31", true, true, "Other String"]
Is there an easier way to determine which elements are actual boolean values without resorting to this, for example?
value === TrueClass || value === FalseClass
Relying on the position in the array is not an option, as it will vary from case-to-case.
You could try
(true & value) == value. The part in parentheses seems to always return a boolean; if the value wasn’t originally a bool, then it won’t be equal to the result. A bool, however, will.