Improve readability using data()

Author: Skylion007

include/pybind11/detail/class.h

@@ -576,8 +576,8 @@ extern "C" inline int pybind11_getbuffer(PyObject *obj, Py_buffer *view, int fla
         view->format = const_cast<char *>(info->format.c_str());
     if ((flags & PyBUF_STRIDES) == PyBUF_STRIDES) {
         view->ndim = (int) info->ndim;
-        view->strides = &info->strides[0];
-        view->shape = &info->shape[0];
+        view->strides = (info->strides).data();
+        view->shape = (info->shape).data();
     }
     Py_INCREF(view->obj);
     return 0;

tests/test_sequences_and_iterators.cpp

@@ -168,7 +168,7 @@ TEST_SUBMODULE(sequences_and_iterators, m) {
         explicit Sequence(const std::vector<float> &value) : m_size(value.size()) {
             print_created(this, "of size", m_size, "from std::vector");
             m_data = new float[m_size];
-            memcpy(m_data, &value[0], sizeof(float) * m_size);
+            memcpy(m_data, value.data(), sizeof(float) * m_size);
         }
         Sequence(const Sequence &s) : m_size(s.m_size) {
             print_copy_created(this);