[patch] Simplify std::tuple helpers and fix C++14 bug.

Daniel Krügler daniel.kruegler@gmail.com
Thu May 15 05:36:00 GMT 2014

2014-05-15 0:22 GMT+02:00 Jonathan Wakely <jwakely@redhat.com>:
> I found a bug in the new std::get<Tp>(tuple<Types...>&&) function
> where it didn't compile when trying to access reference member.
> The rest of this patch simplifies the code in <tuple> by:
> - removing the redundant __add_ref etc. helpers.
> - defining a __tuple_element_t alias template.
> - removing duplication in the tuple_size<cv T> traits.
> - using static_assert in the relational operators.

Looking at the definition of the new alias


you might want to apply LWG 2313


and simplify its definition even further.

- Daniel

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