class method self.new

# File activemodel/lib/active_model/attribute_methods.rb, line 355
          def initialize(options = {})
            options.symbolize_keys!

            if options[:prefix] == '' || options[:suffix] == ''
              ActiveSupport::Deprecation.warn(
                "Specifying an empty prefix/suffix for an attribute method is no longer " \
                "necessary. If the un-prefixed/suffixed version of the method has not been " \
                "defined when `define_attribute_methods` is called, it will be defined " \
                "automatically."
              )
            end

            @prefix, @suffix = options[:prefix] || '', options[:suffix] || ''
            @regex = /\A(#{Regexp.escape(@prefix)})(.+?)(#{Regexp.escape(@suffix)})\z/
            @method_missing_target = "#{@prefix}attribute#{@suffix}"
            @method_name = "#{prefix}%s#{suffix}"
          end