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instance method

Prime#include?

include?(obj)

# File tmp/rubies/ruby-3.0.5/lib/prime.rb, line 220
def include?(obj)
  case obj
  when Integer
    prime?(obj)
  when Module
    Module.instance_method(:include?).bind(Prime).call(obj)
  else
    false
  end
end

Returns true if obj is an Integer and is prime. Also returns true if obj is a Module that is an ancestor of Prime. Otherwise returns false.

See also #each #int_from_prime_division #prime?

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