C++ Address-of nullchecking

Impl& impl;

That little motherfucking line of code in a header is pissing me off.  Why?  Because it eventually causes an access violation at the line:

if(!impl.mProcessTimer.checkExpirationAndReset(SECS_BETWEEN_PROCESS))

And I have no idea how to check for nulls in an address-of situation.  Regular pointers?  Sure, but whenever I try if(!impl) or some other more convoluted variation of that, MSVC screams about invalid operators. 

Halp plz.

>>40
Xarn's not a furry, although I hear he is a big fan of his new friend Haskell II.

>>41
You mean Haskell 98.

>>42
No, Haskell 98 passed away in 2007.

>>43
No he didn't, that was Haskell 1.0.

Monads, more like Waste of Time-nads. LMAO.

>>45
LOL!

^{Back to /b/, ``GNAA Faggot''}

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