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std::begin(std::initializer_list)

Std：：开始%28std：：初始化器[医]名单%29

template< class E > const E* begin( initializer_list il ) noexcept;​(since C++11) (until C++14)
template< class E > constexpr const E* begin( initializer_list<E> il ) noexcept;​(since C++14)

过载std::begin为initializer_list返回指向il...

参数

il-an initializer_list

返回值

il.begin()...

例

二次

#include <iostream>
#include <initializer_list>
 
int main() 
{
    std::initializer_list<int> il = {3, 1, 4, 1};
    for(auto it = std::begin(il it != std::end(il ++it) {
        std::cout << *it << '\n';
    }
}

二次

产出：

二次

3
1
4
1

二次

另见

beginreturns a pointer to the first element (public member function)

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