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  • STL之迭代器

     

    容器支持的迭代器类型 
    STL Container  Type of Iterators Supported  
    vector  random access iterators 元素严格有序(类似数组)
    deque random access iterators
    list  bidirectional iterators 仅能通过某个
    元素找到其直
    接前驱和直接
    后继(类似链
    表)
    set  bidirectional iterators
    multiset  bidirectional iterators
    map  bidirectional iterators
    multimap  bidirectional iterators
    stack  no iterator support  
    queue  no iterator support  
    priority_queue  no iterator support  
    迭代器支持的运算符
    类别 运算符 描述
    All iterators ++p Preincrementan iterator. 前置自增
    p++ Postincrementan iterator. 后置自增
    Input iterators *p Dereference an iterator (used as rvalue).迭代器解引用(仅做右值)
    p1 == p2 Evaluates true if p1 and p2 point to the same element.
    p1 != p2 Evaluates true if p1 and p2 point to different elements.
    Output iterators *p Dereference an iterator (used as lvalue).迭代器解引用(仅做左值)
    Bidirectionliterators --p Predecrementan iterator. 前置自减
    p-- Postdecrementan iterator. 后置自减
    Random-access iterators p += i Increment iterator p by ipositions.
    p -= i Decrement iterator p by i positions.
    p + i Returns an iterator ith position after p.
    p - i Returns an iterator ithposition before p.
    p1 < p2 Returns true if p1 is before p2.
    p1 <= p2 Returns true if p1 is before or equal to p2.
    p1 > p2 Returns true if p1 is after p2.
    p1 >= p2 Returns true if p1 is after p2 or equal to p2.
    p[i] Returns the element at the position p offset by i.
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  • 原文地址:https://www.cnblogs.com/kuotian/p/5468540.html
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