Also, during review of P0941R2 in Rapperswil, LWG added <tuple> to the __cpp_lib_tuples_by_type row, in addition to <utility>.
New get<T> overloads were added to both headers by http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3670.html so when checking if you can use the overloads for std::tuple you shouldn't need to #include <utility>. P0941R2 will be on the Straw Polls page tomorrow in Rapperswil - thanks to Clark for the initial version of the paper that made this happen (and of course for all the work on SD-6!) On 8 June 2018 at 10:39, Jonathan Wakely <[email protected]> wrote: > The Albuquerque draft of SD-6 gives the header for > __cpp_lib_tuple_element_t as <utility> but it's defined in <tuple> (in all > of the http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3887.pdf > proposal that defined it, C++14, C++17, and the latest WP). > >
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