c++ Programming Glossary: make_indices
Convert std::tuple to std::array C++11 http://stackoverflow.com/questions/10604794/convert-stdtuple-to-stdarray-c11 build_indices std tuple_size Bare Tuple value type make_indices return template typename Tuple int... Indices std array typename.. to_array Tuple tuple decltype to_array std declval Tuple make_indices Tuple return to_array std forward Tuple tuple make_indices Tuple.. make_indices Tuple return to_array std forward Tuple tuple make_indices Tuple int main std tuple double double double tup 1.5 2.5 4.5..
Passing position of variadic template argument http://stackoverflow.com/questions/15204649/passing-position-of-variadic-template-argument Ns... sizeof... Ns next template std size_t N struct make_indices typedef typename make_indices N 1 type next type template struct.. template std size_t N struct make_indices typedef typename make_indices N 1 type next type template struct make_indices 0 typedef indices.. typename make_indices N 1 type next type template struct make_indices 0 typedef indices type With these helpers you need one forwarder..
How do I replace a tuple element at compile time? http://stackoverflow.com/questions/15411022/how-do-i-replace-a-tuple-element-at-compile-time Ns... sizeof... Ns next template std size_t N struct make_indices typedef typename make_indices N 1 type next type template struct.. template std size_t N struct make_indices typedef typename make_indices N 1 type next type template struct make_indices 0 typedef indices.. typename make_indices N 1 type next type template struct make_indices 0 typedef indices type and now we use them template typename..
Unexpected non-constant std::initializer_list http://stackoverflow.com/questions/16023262/unexpected-non-constant-stdinitializer-list indices template std size_t N std size_t... Indices struct make_indices make_indices N 1 N 1 Indices... template std size_t... Indices.. std size_t N std size_t... Indices struct make_indices make_indices N 1 N 1 Indices... template std size_t... Indices struct make_indices.. N 1 N 1 Indices... template std size_t... Indices struct make_indices 0 Indices... indices Indices... I created a compile time array..
C++11 Fun with initializer lists, arrays, and enumerations http://stackoverflow.com/questions/8606315/c11-fun-with-initializer-lists-arrays-and-enumerations First underlying Count typename Acc indices struct make_indices base case template underlying X underlying... Acc struct make_indices.. base case template underlying X underlying... Acc struct make_indices X 0 indices Acc... typedef indices Acc... type recursive build.. underlying First underlying Count underlying... Acc struct make_indices First Count indices Acc... make_indices First Count 1 indices..
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