std::initializer_list::begin

From cppreference.com
const T* begin() const noexcept;
(since C++11)
(until C++14)
constexpr const T* begin() const noexcept;
(since C++14)

Returns a pointer to the first element in the initializer list.

If the initializer list is empty, the values of begin() and end() are unspecified, but will be identical.

Parameters

(none)

Return value

a pointer to the first element in the initializer list

Complexity

Constant

See also

returns a pointer to one past the last element
(public member function)