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Remove usage of C++14 constructs (fixes #1929)

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Wenzel Jakob 2019-09-21 18:54:10 +02:00
parent f3109d8419
commit 7f5dad7d5f
1 changed files with 5 additions and 5 deletions
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10
include/pybind11/numpy.h
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@ -113,12 +113,12 @@ template <typename T> struct same_size {
template <typename U> using as = bool_constant<sizeof(T) == sizeof(U)>;
};
template <typename Concrete> constexpr int platform_lookup() { return -1; }
// Lookup a type according to its size, and return a value corresponding to the NumPy typenum.
template <typename Concrete, typename... Check, typename... Int>
constexpr int platform_lookup(Int... codes) {
using code_index = std::integral_constant<int, constexpr_first<same_size<Concrete>::template as, Check...>()>;
static_assert(code_index::value != sizeof...(Check), "Unable to match type on this platform");
return std::get<code_index::value>(std::make_tuple(codes...));
template <typename Concrete, typename T, typename... Ts, typename... Ints>
constexpr int platform_lookup(int I, Ints... Is) {
return sizeof(Concrete) == sizeof(T) ? I : platform_lookup<Concrete, Ts...>(Is...);
}
struct npy_api {