🏁 do not include <ciso646> unless old MSVC is used #2089

include/nlohmann/detail/value_t.hpp

@@ -1,11 +1,12 @@
 #pragma once
 
 #include <array> // array
-#include <ciso646> // and
 #include <cstddef> // size_t
 #include <cstdint> // uint8_t
 #include <string> // string
 
+#include <nlohmann/detail/boolean_operators.hpp>
+
 namespace nlohmann
 {
 namespace detail