Empty Constructors

In Fuzion, it is fairly common to declare constructor fields that do not contain any code or inner declarations, such as the feature person in this example:

An empty constructor in Fuzion can be written using a full stop . instead of is:

The full stop . must follow immediately after the feature's signature. No white space or new line is permitted here.

If a constructor feature contains inner declarations is is required:

Using a full stop followed by inner declaration results in syntax errors: