Re: Creating member vars on the heap, not the stack

"Igor Tandetnik" <>
Tue, 28 Nov 2006 08:10:01 -0500
"JoeB" <> wrote in message

I have a class that is a singleton. There will only ever be one
instance, and it is in scope for the entire duration of the program.

for this reason, i would like the member vars in the class to be
stored on the heap, not the stack.

Other than declaring all the members of the class as static, is there
another way?

When you say "on the heap", you actually mean in static memory. A heap
is where dynamically allocated objects go, as in

C* pC = new C(); // an instance of class C is now on the heap

The class its self cannot be declared as static, because that causes
the c'tor to be called before main(), which is a definite no-no.

Singleton& getInstance() {
    static Singleton s;
    return s;

A static variable declared in a function is initialized when the
function is first called.
With best wishes,
    Igor Tandetnik

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