生成一个同时有symbol和string为键值的hash
2015-08-05 本文已影响30人
kamionayuki
使用到ActiveSupport::HashWithIndifferentAccess
rgb = ActiveSupport::HashWithIndifferentAccess.new
rgb[:black] = '#000000'
rgb[:black] # => '#000000'
rgb['black'] # => '#000000'
rgb['white'] = '#FFFFFF'
rgb[:white] # => '#FFFFFF'
rgb['white'] # => '#FFFFFF'
