Get the list of arguments passed to the current method

__arguments__.rb

class BasicObject
  def __arguments__(bdg)
    method_symbol = caller(1,1).first.match(/\`(?<name>[^']*)'/)[:name].to_sym
    self.method(method_symbol).parameters.map { |e| [e[1], bdg.local_variable_get(e[1])] }
  end
end

def foo(a, b='c', *d, e:, f: "foo", **g)
  __arguments__(binding)
end

foo("first", e: "keyword!") # => [[:a, "first"], [:b, "c"], [:d, []], [:e, "keyword!"], [:f, "foo"], [:g, {}]]