timsneath/nullable_functions.dart

## nullable_functions.dart
// In function parameters.
void initialize(int? count) {
  // It's possible that count is null.
}
// In function return values.
static List<double?>? getTemperatures() {
  // Can return null instead of a List, and the list can contain nulls.
}
	// In function parameters.
	void initialize(int? count) {
	// It's possible that count is null.
	}
	// In function return values.
	static List<double?>? getTemperatures() {
	// Can return null instead of a List, and the list can contain nulls.
	}