Dart编程实例 - Map isEmpty属性
void main() {
var details = {'Usrname':'tom','Password':'pass@123'};
print(details.isEmpty);
var hosts = {};
print(hosts.isEmpty);
}
void main() {
var details = {'Usrname':'tom','Password':'pass@123'};
print(details.isEmpty);
var hosts = {};
print(hosts.isEmpty);
}