std::initializer_list<T>::begin
Min standard notice:
Obtains a pointer to the first element in the initializer list.
# Declarations
const T* begin() const noexcept;
(since C++11) (constexpr since C++14)
# Return value
A pointer to the first element in the initializer list
# Example
#include <initializer_list>
int main()
{
static constexpr auto il = {42, 24};
static_assert(*il.begin() == 0x2A);
static_assert(il.begin()[1] == 030);
}