SION, a data serialization format a little more expressive than JSON - Qiita[ "array" : [ nil, true, 1, // Int in decimal 1.0, // Double in decimal "one", [1], ["one" : 1.0] ], "bool" : true, "data" : .Data("R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"), "date" : .Date(0x0p+0), "dictionary" : [ "array" : [], "bool" : false, "double" : 0x0p+0, "int" : 0, "nil" : nil, "object" : [:], "string" : "" ], "double" : 0x1.518f5c28f5c29p+5, // Double in hexadecimal "in
