Concept BinaryPredicateauto concept BinaryPredicate<typename F, typename T1, typename T2> : Callable2 {
requires Convertiblebool>;
}; Where Defined#include <concepts> DescriptionThe BinaryPredicate concept requires that a function object be
callable with two arguments, the result of which can be used in a
context that requires a bool.
Predicate function objects shall not apply any non-constant function
through the predicate arguments.
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