new_from_hash_copying_default

# File activesupport/lib/active_support/hash_with_indifferent_access.rb, line 75
    def self.new_from_hash_copying_default(hash)
      hash = hash.to_hash
      new(hash).tap do |new_hash|
        new_hash.default = hash.default
        new_hash.default_proc = hash.default_proc if hash.default_proc
      end
    end