predicate_callable.hpp

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#pragma once
#include "invocable.hpp"

namespace xtd {
  // Since Doxygen does not work properly with the C++ concept, the documentation for this concept is declared in xtd/predicate_callable_.hpp
  template<typename function_t, typename arg_t>
  concept predicate_callable = xtd::invocable<function_t, bool, arg_t>;
}