From: David Abrahams (dave_at_[hidden])
Date: 2003-10-15 09:11:48
Ehsan Akhgari wrote:
>>From: David Abrahams
>>"Ehsan Akhgari" <ehsan_at_beginth read.zl6writes
>>> void * pv = custom_alloc( sizeof(X) ); // allocate
>>> X * p = new( pv ) X; // create
>>> delete( pv, p ); // destroy
>>I think this should be, simply,
>>> custom_dealloc( p ); // deallocate
> They do the same thing. Placement delete is just a no-op, and the fact
> that the compiler sees the delete keyword causes it to silently invoke
> the dtor, and then call the delete function (which is a no-op). I think
> the placement delete syntax is neater and more in sync with the
> placement new, though I myself sometimes call the dtor explicitly. This
> is mostly a matter of style and taste.
Last I recall, you can't use placement delete syntax to call the d'tor.
But I may be misremembering.
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