module RSpec::Core::Let::ExampleGroupMethods

def let(name, &block)

Other tags:
    Note: - `let` uses an `||=` conditional that has the potential to
    Note: - `let` _can_ enhance readability when used sparingly (1,2, or 
def let(name, &block)
  define_method(name) do
    __memoized.fetch(name) {|k| __memoized[k] = instance_eval(&block) }
  end
end