std::initializer_list::begin

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

Exceptions

noexcept specification:  
noexcept
  

Complexity

Constant

See also

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