filter method
Filters the list of CountriesModel based on a search value v
.
Returns a list of countries whose name starts with the search value or whose dial code contains the search value.
Implementation
List<CountriesModel> filter(String v) {
return where((e) {
return e.name.trim().toLowerCase().startsWith(v.trim().toLowerCase()) ||
e.dialCode.contains(v);
}).toList();
}