Re: [boost] Re: compile-time binary constants

From: David Abrahams (dave_at_[hidden])
Date: 2003-01-18 13:13:45

Gennaro Prota <gennaro_prota_at_[hidden]> writes:

> Not that I think the application to "binary literals" is particularly
> important, but an elegant implementation would be possible if string
> literals and [] operator were allowed in constant expressions; this
> way one could easily "extract" characters from a string literal and
> use them as non-type template arguments of type char. Unfortunately
> the committee seems on the road of prohibiting this and other similar
> (and potentially more useful) uses of string literals in constant
> expressions:
>
>    http://anubis.dkuug.dk/jtc1/sc22/wg21/docs/cwg_active.html#366

Huh? They're already prohibited.  That item is just concerned with
eliminating a contradiction in the standard text in accordance with
the original intent. On the contrary, the committee has been
occasionally discussing how to allow them, since many of us see the
value.

-- 
                       David Abrahams
   dave_at_[hidden] * http://www.boost-consulting.com
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