diff options
Diffstat (limited to 'include/lib/ArduinoJson/Variant/VariantTo.hpp')
-rw-r--r-- | include/lib/ArduinoJson/Variant/VariantTo.hpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/lib/ArduinoJson/Variant/VariantTo.hpp b/include/lib/ArduinoJson/Variant/VariantTo.hpp new file mode 100644 index 0000000..352ecba --- /dev/null +++ b/include/lib/ArduinoJson/Variant/VariantTo.hpp @@ -0,0 +1,32 @@ +// ArduinoJson - https://arduinojson.org +// Copyright Benoit Blanchon 2014-2021 +// MIT License + +#pragma once + +#include <ArduinoJson/Namespace.hpp> + +namespace ARDUINOJSON_NAMESPACE { +class ArrayRef; +class ObjectRef; +class VariantRef; + +// A metafunction that returns the type of the value returned by +// VariantRef::to<T>() +template <typename T> +struct VariantTo {}; + +template <> +struct VariantTo<ArrayRef> { + typedef ArrayRef type; +}; +template <> +struct VariantTo<ObjectRef> { + typedef ObjectRef type; +}; +template <> +struct VariantTo<VariantRef> { + typedef VariantRef type; +}; + +} // namespace ARDUINOJSON_NAMESPACE |