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#ifndef PYTHONIC_BUILTIN_LEN_HPP #define PYTHONIC_BUILTIN_LEN_HPP #include "pythonic/include/builtins/len.hpp" #include "pythonic/types/traits.hpp" #include "pythonic/utils/functor.hpp" #include <tuple> #include <iterator> PYTHONIC_NS_BEGIN namespace builtins { template <class... Types> long len(std::tuple<Types...> const &) { return sizeof...(Types); } template <class T> typename std::enable_if<types::has_size<T>::value, long>::type len(T const &t) { return t.size(); } } PYTHONIC_NS_END #endif