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A type that provides a bidirectional iterator that can read a const element in the map.

typedef implementation-defined const_iterator;

A type const_iterator cannot be used to modify the value of an element.

The const_iterator defined by map points to elements that are objects of value_type, that is of type pair<const Key, Type>, whose first member is the key to the element and whose second member is the mapped datum held by the element.

To dereference a const_iterator cIter pointing to an element in a map, use the -> operator.

To access the value of the key for the element, use cIter -> first, which is equivalent to (*cIter).first.

To access the value of the mapped datum for the element, use cIter -> second, which is equivalent to (*cIter). second.

See example for begin for an example that uses const_iterator.

Header: <map>

Namespace: std

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