Utility Function Object Classes

The definitions of the utility function objects are available through the oneapi/dpl/functional header. All function objects are implemented in the oneapi::dpl namespace.

• identity: A C++11 implementation of the C++20 std::identity function object type, where the operator() returns the argument unchanged.

• minimum: A function object type where the operator() applies std::less to its arguments, then returns the lesser argument unchanged.

• maximum: A function object type where the operator() applies std::greater to its arguments, then returns the greater argument unchanged.