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["Paul J. Lucas" <paul@xxxxxxxxxxxxx>]

Please note the distinction between alloc_sizeof() and mem_sizeof().  The former obtains the *additionally* dynamically allocated memory for an object of type T.  An 'int' has no additional memory beyond the size of the 'int' itself, so the result of 0 is correct.

Why do you want to expose *only* alloc_size()?  It's kind of awkward without mem_sizeof().

BTW: alloc_size() isn't really meant to be called explicitly.  You *can* do it and it will give you the correct answer, but it's not the answer you really want.  Again, note the distinction between alloc_sizeof() and mem_sizeof().
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