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std::initializer_list<T>::begin

From cppreference.cn
 
 
Utilities library
General utilities
Relational operators (deprecated in C++20)
 
 
const T* begin() const noexcept;
(since C++11)
(constexpr since C++14)

Obtains 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.

Contents

[edit] Parameters

(none)

[edit] Return value

A pointer to the first element in the initializer list

[edit] Complexity

Constant

[edit] Example

#include <initializer_list>
 
int main()
{
    static constexpr auto il = {42, 24};
    static_assert(*il.begin() == 0x2A);
    static_assert(il.begin()[1] == 030);
}

[edit] See also

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