27 lines
524 B
C++
27 lines
524 B
C++
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Polyfills/type_traits.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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template <typename TResult>
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struct Visitor {
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typedef TResult result_type;
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};
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struct Visitable {
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// template<Visitor>
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// void accept(Visitor&) const;
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};
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template <typename T>
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struct IsVisitable : is_base_of<Visitable, T> {};
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template <typename T>
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struct IsVisitable<T&> : IsVisitable<T> {};
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} // namespace ARDUINOJSON_NAMESPACE
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