What’s iterator?

• template class
• Generic Pointer

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Getting an iterator

1 auto itr=container.cbegin();2 auto itr=container.cend();

 

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Iterator methods

1 ++itr2 *itr3 itr1==itr24 itr1!=itr2

 

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const _iterator

1 auto itr=container.cbegin() const2 auto itr=container.cend() const

 

 

 

Author: Cat