Corrade/Containers/StructuredBindings.h file new in Git master

std::tuple_size and std::tuple_element specializations for container types

Contains specializations of std::tuple_size and std::tuple_element for Containers::Pair, Containers::Triple, Containers::StaticArray, Containers::StaticArrayView and Containers::StridedDimensions, making them usable with C++17 structured bindings. See documentation of each class and the Corrade/Utility/StlForwardTupleSizeElement.h header for more information.