[boost] Re: [Review] Named parameters library

From: Daniel Wallin (dalwan01_at_[hidden])
Date: 2004-11-13 18:12:18

David Abrahams wrote:
> Daniel James <daniel_at_[hidden]> writes:
> 
> 
>>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 (http://www.boost-consulting.com/mplbook):
>>
>>[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.
> 
> 
> You could also write
> 
>    (slew = .799) | (name = "z")

Or:

   f((slew = .799, name = "z"));

With the current library.

-- 
Daniel Wallin