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Extension classes will need their own member variables and methods, and
to avoid classes overwriting the attributes of other classes the
following naming scheme should be used:
-
Each extension module should select a prefix, typically the same as the
module name unless that it very unwieldy.
-
All member variables and methods used and defined by an extension class
should begin with the prefix.
-
An exception: methods are allowed to begin with
get_
or
set_
followed by the prefix.
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