Skybuck Flying schrieb:
I think the Delphi language has a little problem when it comes to
"properties".
I consider C/C++ to be a "value language" or maybe even a "const language"
where addresses of classes and fields are constant or hard coded into
instructions.
While Delphi is more of a "reference language" or "pointer language" where
addresses of classes are stored in data pointers which are used via
instructions.
A closer look will reveal that references had to be introduced into the
C++ language, in order to make operators work with certain data types
(arrays...).
The closest thing to a c++ class is a record in Delphi.
Closest comes the Object type, but Borland/CodeGear decided to drop that
useful type, and moved part of its features into records (methods...).
FPC still supports Object very well.
The problem with properties currently is that it does not allow partial
modification of records or arrays
That's due to the (possibly) virtual getters/setters, which make
properties a really useful language feature. If you want references,
then use data fields (var) instead of properties.
The operators themselfes do not seem to work with pointer types, so
pointers
will have to be deferenced, quite a mess.
See C++.
DoDi
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