Re: C++: conditional static data member possible?

loic-dev@xxxxxxx wrote:

Perhaps my idea is too simplistic. But why you don't just extend the
flag as follows:

- in the constructor of the static object, flag is set the
'NotInstancied'.
- in the constructor constructor of object A, flag is set to
'Instancied'.
- in the given method of class A corresponding to the action to
execute, flag is set to 'Done'

Then, in the destructor of the static object, you react depending on
the flag value:

This is exactly what I'm doing now!! The detail that this does not
solve is that I want to enforce or not the given action depending on
whether class A *appears* in the code, not depending on whether an
object of class A is actually instantiated at runtime.

That's why my example with a declaration of A inside a block scope
that never gets executed --- in that example, no object of class A
is ever instantiated, yet I wanted the condition to be enforced
(meaning, I want an error to be reported by the end of the
application).

Thanks,

Carlos
--
.

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