Obsolete Members for iterator

以下成员源于类 iterator 被弃用。 提供它们是为使旧源代码能继续工作。强烈建议不要在新代码中使用它们。

公共函数

(deprecated (6.2)) iterator &	operator+= (iterator::difference_type n )
(deprecated (6.2)) iterator &	operator-= (iterator::difference_type n )

相关非成员

(deprecated (6.2)) iterator	operator+ (iterator it , iterator::difference_type j )
(deprecated (6.2)) iterator	operator+ (iterator::difference_type j , iterator it )
(deprecated (6.2)) iterator	operator- (iterator it , iterator::difference_type j )
(deprecated (6.2)) iterator	operator- (iterator::difference_type j , iterator it )

成员函数文档编制

iterator &iterator:: operator+= ( iterator::difference_type n )

iterator &iterator:: operator-= ( iterator::difference_type n )

iterator operator+ ( iterator it , iterator::difference_type j )

iterator operator+ ( iterator::difference_type j , iterator it )

iterator operator- ( iterator it , iterator::difference_type j )

iterator operator- ( iterator::difference_type j , iterator it )

This function is deprecated since 6.2. We strongly advise against using it in new code.

使用 std::next , std::prev or std::advance 代替。

Moves an iterator by n positions. These operations can be expensive for large values of n ; QMap iterators are not random access.