The property to wrap.
Optional parameters. Takes Docstring!(docstring), PyName!(pyname), and Mode!(mode) pyname: The name of the property as it will appear in Python. Defaults to fn's name in D. mode: specifies whether this property is readable, writable. possible values are "r", "w", "rw", and "" (in the latter case, automatically determine which mode to use based on availability of getter and setter forms of fn). Defaults to "". docstring: The function's docstring. Defaults to "".
Wraps a property of the class.