class RSpec::Matchers::BuiltIn::BeAKindOf

Not intended to be instantiated directly.
Provides the implementation for ‘be_a_kind_of`.
@api private

def match(expected, actual) 

def match(expected, actual)
  actual.kind_of?(expected)
rescue NoMethodError
  raise ::ArgumentError, "The #{matcher_name} matcher requires that " \
                         "the actual object responds to #kind_of? method " \
                         "but a `NoMethodError` was encountered instead."
end