topicsToJson function
Converts a list of Topics objects into a JSON string.
This function takes a list of Topics objects, converts each object into a map
using the toJson
method, and then encodes the list of maps as a JSON string.
Parameters:
data
- The list of Topics objects to be converted into a JSON string.
Returns: A JSON string representation of the list of Topics objects.
Implementation
String topicsToJson(List<Topics> data) =>
json.encode(List<dynamic>.from(data.map((x) => x.toJson())));