[Boost-users] Zero/Null Metafunction?

From: Lemings, Eric B. \(Contr\) (Eric.Lemings_at_[hidden])
Date: 2005-01-10 17:08:20

Hi,

I was wondering if there is a zero/null value metafunction in the Boost libraries?   Something like the following:

null<int>::value // 0
null<float>::value // 0.0
null<void*>::value // 0 or NULL
null<int&>::value // undefined

Thanks,
Eric.