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// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#pragma once
namespace ArduinoJson {
namespace Internals {
// A meta-function that returns true if Derived inherits from TBase is an
// integral type.
template <typename TBase, typename TDerived>
class IsBaseOf {
protected: // <- to avoid GCC's "all member functions in class are private"
typedef char Yes[1];
typedef char No[2];
static Yes &probe(const TBase *);
static No &probe(...);
public:
enum {
value = sizeof(probe(reinterpret_cast<TDerived *>(0))) == sizeof(Yes)
};
};
}
}
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