Den 23-02-2014 17:03, Mark Morgan Lloyd skrev:
Marco van de Voort wrote:
In our previous episode, Mark Morgan Lloyd said:
That logical, since the constructors are not an virtual; and
override; pair.
I find that if I explicitly decorate TB5500BaseUnit.Create() as
virtual and TB5500SPOUnit.Create() as override then
TB5500SPOUnit.Create() is called correctly.
That's the normal way.
I didn't think this was necessary,
_why_ did you think this?
In part, because the documentation on method declarations at
http://www.freepascal.org/docs-html/ref/refsu25.html#x66-730005.5.1
explicitly allows a virtual method directive, but the documentation
on constructor declarations at
http://www.freepascal.org/docs-html/ref/refse28.html#x64-710005.4
explicitly does not allow it.
That documentation is about objects, not classes.
Here's the relevant part for classes:
http://www.freepascal.org/docs-html/ref/refsu25.html#x66-730005.5.1
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