サンプル サンプルコード: Hashie::Mash Hash の各要素にドットでアクセス可能になる。 require 'hashie' hash_tanaka = { name: 'Tanaka', age: 23 } tanaka = Hashie::Mash.new(hash_tanaka) puts tanaka puts tanaka.name puts tanaka[:name] puts tanaka.age puts tanaka[:age] require 'hashie' class BaseCoercableHash < Hash include Hashie::Extensions::Coercion include Hashie::Extensions::MergeInitializer end class Person < BaseCoercableHash c