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From: David Abrahams (dave_at_[hidden])
Date: 2004-11-13 17:51:30

Rene Rivera <grafik.list_at_[hidden]> writes:

> Daniel James wrote:
>> David Abrahams wrote:
>>> This approach is superior to bgl_named_params in part because it
>>> avoids undue coupling and dependency in a library design. That
>>> coupling is discussed in depth in this excerpt from C++ Template
>>> Metaprogramming (
>> [snipped]
>> This coupling could be avoided by using an overloaded operator to
>> combine the arguments, for example:
>> f(slew(.799) | name("z"));
>> An advantage of this method is that it avoids the need for the
>> forwarding functions.
> I was just going over the library and have a related question. Is
> there a rational as to why the forwarding functions where used instead
> of overloading the "," operator?

What did you have in mind?

     f(slew = .799, name = "z")
The comma above will never be treated as an operator. It's just the
way C++ works

Dave Abrahams
Boost Consulting

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