Allow any type of sequence in template ctor

Author: SylvainCorlay

include/pybind11/numpy.h

@@ -328,8 +328,9 @@ class array : public buffer {
 
     array() : array(0, static_cast<const double *>(nullptr)) {}
 
-    array(const pybind11::dtype &dt, const std::vector<size_t> &shape,
-          const std::vector<size_t> &strides, const void *ptr = nullptr,
+    template <typename Shape, typename Strides>
+    array(const pybind11::dtype &dt, const Shape &shape,
+          const Strides &strides, const void *ptr = nullptr,
           handle base = handle()) {
         auto& api = detail::npy_api::get();
         auto ndim = shape.size();
@@ -362,7 +363,8 @@ class array : public buffer {
         m_ptr = tmp.release().ptr();
     }
 
-    array(const pybind11::dtype &dt, const std::vector<size_t> &shape,
+    template <typename ST>
+    array(const pybind11::dtype &dt, const std::disable_if<std::is_integral<ST>::value, ST>::type &shape,
           const void *ptr = nullptr, handle base = handle())
         : array(dt, shape, default_strides(shape, dt.itemsize()), ptr, base) { }
 
@@ -525,7 +527,7 @@ class array : public buffer {
             throw std::runtime_error("array is not writeable");
     }
 
-    static std::vector<size_t> default_strides(const std::vector<size_t>& shape, size_t itemsize) {
+    template <typename ST> static std::vector<size_t> default_strides(const ST& shape, size_t itemsize) {
         auto ndim = shape.size();
         std::vector<size_t> strides(ndim);
         if (ndim) {