관리-도구

편집 파일: rational.rb

# frozen_string_literal: false unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED require 'json' end defined?(::Rational) or require 'rational' class Rational # Deserializes JSON string by converting numerator value <tt>n</tt>, # denominator value <tt>d</tt>, to a Rational object. def self.json_create(object) Rational(object['n'], object['d']) end # Returns a hash, that will be turned into a JSON object and represent this # object. def as_json(*) { JSON.create_id => self.class.name, 'n' => numerator, 'd' => denominator, } end # Stores class name (Rational) along with numerator value <tt>n</tt> and denominator value <tt>d</tt> as JSON string def to_json(*) as_json.to_json end end