std::begin(std::initializer_list)

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实用工具库
类型的支持 (basic types, RTTI, type traits)
动态内存管理
错误处理
程序实用工具
可变参数函数
日期和时间
函数对象
initializer_list(C++11)
bitset
hash(C++11)
关系运算符
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
双和元组
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Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
掉期,远期和移动
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Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
std::initializer_list
成员函数
Original:
Member functions
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initializer_list::initializer_list
容量
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Capacity
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initializer_list::size
迭代器
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Iterators
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initializer_list::begin
initializer_list::end
非成员函数
Original:
Non-member functions
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std::begin
std::end
 
template< class E >
const E* begin( initializer_list<E> il );
(C++11 起)
专业化的std::begininitializer_list返回一个指针,指向第一个元素的il.
Original:
The specialization of std::begin for initializer_list returns a pointer to the first element of il.
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目录

[编辑] 参数

il - an initializer_list

[编辑] 返回值

il.begin()

[编辑] 例外

noexcept specification:  
noexcept
  (C++11 起)

[编辑] 为例

#include <iostream>
 
int main()
{
    // range-based for uses std::begin and std::end to iterate
    // over a given range; in this case, it's an initializer list
    for (int i : {3, 1, 4, 1}) {
        std::cout << i << '\n';
    }
}

Output:

3
1
4
1

[编辑] 另请参阅

返回的第一个元素的指针
Original:
returns a pointer the first element
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(公共成员函数) [edit]