Standard C++ Library Class Reference

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Forward Iterators
Iterator
Summary
A forward-moving iterator that can both read and write.
Contents
Description●
Key to Iterator Requirements●
Requirements for Forward Iterators●
See Also●
Description
For a complete discussion of iterators, see the Iterators section of this reference.
Iterators are a generalization of pointers that allow a C++ program to uniformly interact
with different data structures. Forward iterators are forward moving, and have the ability
to both read and write data. These iterators satisfy the requirements listed below.
Key to Iterator Requirements
The following key pertains to the iterator requirements listed below:
a and b values of type X
n value of distance type
u, Distance, tmp and m identifiers