Answer: Utility function has several general templates and can be used in Standard template library. Some of them are tuple element Class which is used to wrap the type of pair element. Get function is used to get an element from the pair object. Tuple size class wraps the pair element count.
Utility function has several general templates and can be used in Standard template library. Some of them are tuple element Class which is used to wrap the type of pair element. Get function is used to get an element from the pair object. Tuple size class wraps the pair element count. Source: CoolInterview.com
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