AlexVegner/dart_default_value.dart

## dart_default_value.dart
void main() {
  /// Uninitialized variables have an initial value of null. Even variables with numeric types are initially null, because numbers—like everything else in Dart—are objects.
  int lineCount;
  assert(lineCount == null); // woesn't work in dartpad
  print(lineCount);

  // Note: Production code ignores the assert() call. During development, on the other hand, assert(condition) throws an exception if condition is false. For details, see Assert.
}
	void main() {
	/// Uninitialized variables have an initial value of null. Even variables with numeric types are initially null, because numbers—like everything else in Dart—are objects.
	int lineCount;
	assert(lineCount == null); // woesn't work in dartpad
	print(lineCount);

	// Note: Production code ignores the assert() call. During development, on the other hand, assert(condition) throws an exception if condition is false. For details, see Assert.
	}