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map::key_compare

A type that provides a function object that can compare two sort keys to determine the relative order of two elements in the map.

typedef Traits key_compare;

key_compare is a synonym for the template parameter Traits.

For more information on Traits see the map Class topic.

See example for key_comp for an example of how to declare and use key_compare.

Header: <map>

Namespace: std

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