Boost logo

Boost :

From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2003-09-06 03:14:38

Jaakko Jarvi wrote:
> > Assuming that the latter version is spelled 'enable_if_c', making the
> > work is as simple as
> > template< typename C, ... >
> > struct enable_if
> > : enable_if_c<C::value, ...>
> > {
> > };
> This is what we are using. The documentation of not_ always uses
> typedef not_<f>::type and doesn't mention that it contains a member
> named value.

Hmm, you are right. It should be more like this:

    Expression: 'not_<f>'
    Expression type: A model of bool Integral Constant
    Semantics: Equivalent to 'bool_<(!f::type::value)> '

Fixed in the sources.

> Are the docs on out of date?

Not really, may be only a little.

> We don't have the boostbook
> toolchain up so we don't have the latest CVS version of the docs.
> The tutorial seems to be using bool_c which is not documented in the
> reference manual (that uses bool_ , are they the same thing or is
> bool_ something different?).

They are the same.

> Also, bool_, int_, ... are not in the categorized index.

They are in the index -, but
they are not documented in detail, yes. These, and the update of the
tutorial are on my todo list.

Thanks for the comments,

Boost list run by bdawes at, gregod at, cpdaniel at, john at