fromJson static method
Factory method: parse a JSON representation into a concrete DataType.
Looks up the correct subclass in _dataTypes
.
Implementation
static VectorDataType fromJson(Map<String, dynamic> data) {
if (data['type'] != 'vector') {
throw Exception("Expected type 'vector', got '${data['type']}'");
}
return VectorDataType(size: data['size'] as int, elementType: DataType.fromJson(data['element_type'] as Map<String, dynamic>));
}