Obsolete Members for QMap::const_iterator
const_iterator 类的以下成员已被废弃。提供这些成员是为了确保旧的源代码能够继续运行。我们强烈建议在新代码中不要使用它们。
公共函数
(deprecated in 6.2) QMap<Key, T>::const_iterator & | operator+=(QMap<Key, T>::const_iterator::difference_type n) |
(deprecated in 6.2) QMap<Key, T>::const_iterator & | operator-=(QMap<Key, T>::const_iterator::difference_type n) |
相关的非成员
(deprecated in 6.2) QMap<Key, T>::const_iterator | operator+(QMap<Key, T>::const_iterator it, QMap<Key, T>::const_iterator::difference_type j) |
(deprecated in 6.2) QMap<Key, T>::const_iterator | operator+(QMap<Key, T>::const_iterator::difference_type j, QMap<Key, T>::const_iterator it) |
(deprecated in 6.2) QMap<Key, T>::const_iterator | operator-(QMap<Key, T>::const_iterator it, QMap<Key, T>::const_iterator::difference_type j) |
(deprecated in 6.2) QMap<Key, T>::const_iterator | operator-(QMap<Key, T>::const_iterator::difference_type j, QMap<Key, T>::const_iterator it) |
成员函数文档
[deprecated in 6.2] QMap<Key, T>::const_iterator &const_iterator::operator+=(QMap<Key, T>::const_iterator::difference_type n)
[deprecated in 6.2] QMap<Key, T>::const_iterator &const_iterator::operator-=(QMap<Key, T>::const_iterator::difference_type n)
[deprecated in 6.2] QMap<Key, T>::const_iterator operator+(QMap<Key, T>::const_iterator it, QMap<Key, T>::const_iterator::difference_type j)
[deprecated in 6.2] QMap<Key, T>::const_iterator operator-(QMap<Key, T>::const_iterator it, QMap<Key, T>::const_iterator::difference_type j)
[deprecated in 6.2] QMap<Key, T>::const_iterator operator+(QMap<Key, T>::const_iterator::difference_type j, QMap<Key, T>::const_iterator it)
[deprecated in 6.2] QMap<Key, T>::const_iterator operator-(QMap<Key, T>::const_iterator::difference_type j, QMap<Key, T>::const_iterator it)
自 6.2 版本起，此函数已被废弃。我们强烈建议不要在新代码中使用它。
请改用std::next 、std::prev 或std::advance 。
将迭代器向前移动n个位置。当n 值较大时，此类操作可能消耗较多资源。QMap 迭代器不支持随机访问。
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