Re: [boost] Re: Small tuple extension

From: Giovanni P. Deretta (lordshoo_at_[hidden])
Date: 2005-04-27 09:49:32

David Abrahams wrote:
> "Giovanni P. Deretta" <lordshoo_at_[hidden]> writes:
> 
> 
>>Hi,
>>
>>I have been using a small extension to the tuple library 'get' function, 
>>that I have found very handy.  It allows the extraction of an element of 
>>a tuple by specifying its type instead of the index.
>>Example:
>>
>>	given the tuple boost::tuple<type1, type2, type3>
>>
>>	get<type1> returns the first element of the tuple of that type.
>>
>>This allows one to write more self describing code: you don't need to 
>>look up the tuple element type when you find an indexed get function 
>>buried deep inside some code.
>>This is especially useful with nested tuples where for example 
>>'get<3>(get<5>(get<0>(my_tuple)))' looks more like line noise than real 
>>code :).
> 
> 
> You might look at c:/boost/boost/python/detail/tuple_extract.hpp
> 
> HTH,

Hum, I can't find it in boost-1.32 nor in the CVS... link?

--
Giovanni P. Deretta