From: Peter Dimov (pdimov_at_[hidden])
Date: 2001-09-14 07:16:23
From: "Fernando Cacciola" <fcacciola_at_[hidden]>
> I also made up my mind about how to let the user test if a given optional
> initialized or not.
> Previously, optional<> used operator void*() to allow expressions of the
> if ( opt ) or if ( opt != NULL )
> After *a lot* of consideration, I decided to support only the 'bang-bang'
> if ( !!opt ) means initialized.
> if ( !opt) means uninitialized.
I apologize if this has already been discussed, but did you consider the
idiom (often used with dynamic_cast)
if(T * pt = opt.get())
// initialized, use pt
// not initialized, no pt in scope
-- Peter Dimov Multi Media Ltd.
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