[boost] Re: Discovering array size - implementation as compile-timeconstant

From: AlisdairM (alisdair.meredith_at_[hidden])
Date: 2003-12-07 12:36:08

"Jonathan Turkanis" <technews_at_[hidden]> wrote in
news:bqvnfh$kc$1_at_[hidden]: 

> Fortunately, I only need the size of an array type. AlistairM's
> original suggestion works at runtime for an array variable. I'm having
> trouble thinking of an example where you need the size of an array
> variable at compile-time, but you don't have access to its type. I'm
> assuming from the discussion that this need has come up. Could you
> give an example? 

Trivial example: A compile time algorithm to transform an string literal to 
a widestring literal.

AlisdairM