遗留连续迭代器(LegacyContiguousIterator)是遗留迭代器(LegacyIterator),其所指向的逻辑相邻元素也在内存中物理上相邻。 指向数组元素的指针满足遗留连续迭代器(LegacyContiguousIterator)的所有要求。 要求 以下情况下,类型It满足遗留连续迭代器(LegacyContiguousIterator) ...
连续容器(ContiguousContainer)是在连续的内存位置中存储对象的容器(Container)。 要求 以下情况下,类型X满足连续容器(ContiguousContainer): 类型X满足容器(Container) 类型X支持遗留随机访问迭代器(LegacyRandomAccessIterator) 成员类型X::iterator与X::const_iterator是遗留连续迭代器(LegacyContiguousIterator) ...
12、value of the element pointing.For const vector, you can only access with vector: const_iterator pointer type.11. p=v1.end (); P points to the next position of the last element of v1.12.v.clear () removes all elements in the container. 12.v.clear () removes all elements in th...
STL的从广义上讲分为三类:algorithm(算法)、container(容器)和iterator(迭代器),容器和算法通过迭代器可以进行无缝地连接。几乎所有的代码都采用了模板类和模板函数的方式,这相比于传统的由函数和类组成的库来说提供了更好的代码重用机会。 STL中的迭代器是模板类,从某种程序上说,它们是泛型指针。这些模板类让程序...
direct access to the underlying contiguous storage (public member function) Iterators begincbegin returns an iterator to the beginning (public member function) endcend returns an iterator to the end (public member function) rbegincrbegin returns a reverse iterator to the beginning ...
bytes::const_iterator c; bytes::size_type i; for (i = 0, c = std::begin(B); i < std::size(B); ++i, ++c) { PQXX_CHECK(c != std::end(B), "Premature end to binary string."); Expand Down 16 changes: 6 additions & 10 deletions 16 test/unit/test_binarystring.cxx ...
asynchronous generator iterator -- 异步生成器迭代器 asynchronous generator 函数所创建的对象。 此对象属于 asynchronous iterator,当使用anext() 方法调用时会返回一个可等待对象来执行异步生成器函数的代码直到下一个 yield 表达式。 每个yield 会临时暂停处理,记住当前位置执行状态 (包括局部变量和挂起的 try 语句)...
// Returns an iterator pointing to the first character at the beginning of the 192 // `string_view`, or `end()` if the `string_view` is empty. 193 constexpr const_iterator begin() const noexcept { return ptr_; } 194 195 // string_view::end() 196 // 197 // R...
A span , öğelerini bitişik olarak depolayan diziler, vektörler ve diğer kapsayıcılar için ise itcontiguous_iterator döndürülür. Aksi takdirde, bir subrange döndürülür.AçıklamalarEklenen öğeler şunlardır: [it, count).Görünüm oluşturulduktan...