From: Gennaro Prota (gennaro_prota_at_[hidden])
Date: 2006-06-25 19:28:19
On Sun, 25 Jun 2006 17:43:26 -0400, David Abrahams
<dave_at_[hidden]> wrote:
>That somersault is easy enough (although I've forgotten what it was
>exactly, there's an easy workaround).
Indeed I found it at the first try :)
template <std::size_t n>
struct counter
{
enum { n = n }; // yep :)
template <typename t>
static char(&count(t(*)[n]))[n];
};
#define COUNT_OF(x) \
(sizeof counter<(sizeof x / sizeof x[0])>::count(&x))
PS: note the enum!
--Gennaro.