How to check if variable is Date or Time or DateTime in Ruby?

Question

Any easy way to check if a variable / object is of Date / Time / DateTime type? Without naming all the types

Answer 1

Another option:

def is_datetime(d)
  d.methods.include? :strftime
end

Or alternatively:

if d.respond_to?(:strftime)
  # d is a Date or DateTime object
end 

Answer 2

you can inspect the class of a object doing

object.class

It should return Date, String or whatever it is. You can also do the reverse and check if an object is an instance of a class:

object.instance_of?(class)

where class is the one you want to check (String, Date), returning true/false