YouTipDart Basics
void main() {
var name = "Alice";
int age = 25;
print("Hello, $name!");
// Null safety
String? email = null;
print(email?.length ?? 0);
}Functions
String greet(String name) => "Hello, $name!";
// Named parameters
void config({String host = "localhost", int port = 8080}) {
print("$host:$port");
}Summary
- Dart powers Flutter apps
- Sound null safety prevents null errors