Optimization/clarity coding : what is gcc able to do for me ?

[jlh]

Nick NoSpam wrote:
> 2.  Can the compiler optimize the size() call away (after calling it
> once)?  What if the vector was accessible in another thread?  The other
> thread could modify the vector simultaneously.

That code wouldn't be thread-safe.  If two threads need to access the same
vector, you'd have to use a mutex, or bad things could happen.

jlh
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