class RSpec::Matchers::BuiltIn::BeAnInstanceOf
@api private Provides the implementation for ‘be_an_instance_of`. Not intended to be instantiated directly.
Public Instance Methods
@api private @return [String]
# File rspec-expectations/lib/rspec/matchers/built_in/be_instance_of.rb, line 10 def description "be an instance of #{expected}" end