module RSpec::Matchers

expect(5).not_to eql(3)
expect(5).to eql(5)

@example

information about equality in Ruby.
See http://www.ruby-doc.org/core/classes/Object.html#M001057 for more

Passes if +actual.eql?(expected)+

def eql(expected)
  BuiltIn::Eql.new(expected)
end