Schemes.fromJson constructor
It converts a JSON object into a Dart object.
Args: json (Map<String, dynamic>): The json file that you want to parse.
Implementation
factory Schemes.fromJson(Map<String, dynamic> json) => Schemes(
schemas: <int, Cross>{
for (Map<String, dynamic> k in json["data"])
k["index"]: Cross.fromList(
List<List<int>>.from(
k["array"].map((x) => List<int>.from(x.map((x) => x))),
),
),
},
);