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Function Adaptor


Function adaptor used to reverse the sense of a binary predicate function object.

Data Type and Member Function Indexes
(exclusive of constructors and destructors)



#include <functional>

template <class Predicate>
binary_negate<Predicate> not2 (const Predicate& pred);


not2 is a function adaptor, known as a negator, that takes a binary predicate function object as its argument and returns a binary predicate function object that is the complement of the original. binary_negate is a function object class that provides a return type for the not2 negator.

Note that not2 works only with function objects that are defined as subclasses of the class binary_function.

See Also

binary_function, binary_negate, negators, not1, pointer_to_binary_function, unary_negate

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