From 8a3b3cfeec33e9e3a670f92ab24cee49dd92bd6e Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <git@benoitblanchon.fr>
Date: Tue, 15 Mar 2022 11:36:08 +0100
Subject: [PATCH] Element proxy

---
 extras/tests/JsonDocument/ElementProxy.cpp | 8 ++++++++
 src/ArduinoJson/Array/ElementProxy.hpp     | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/extras/tests/JsonDocument/ElementProxy.cpp b/extras/tests/JsonDocument/ElementProxy.cpp
index 1912d5f9..8e13180e 100644
--- a/extras/tests/JsonDocument/ElementProxy.cpp
+++ b/extras/tests/JsonDocument/ElementProxy.cpp
@@ -204,3 +204,11 @@ TEST_CASE("ElementProxy::operator[]") {
     REQUIRE(doc.as<std::string>() == "[null,[null,null,42]]");
   }
 }
+
+TEST_CASE("ElementProxy::link()") {
+  StaticJsonDocument<1024> doc1, doc2;
+  doc1[0].link(doc2);
+  doc2["hello"] = "world";
+
+  CHECK(doc1.as<std::string>() == "[{\"hello\":\"world\"}]");
+}
diff --git a/src/ArduinoJson/Array/ElementProxy.hpp b/src/ArduinoJson/Array/ElementProxy.hpp
index d54de494..77f241a7 100644
--- a/src/ArduinoJson/Array/ElementProxy.hpp
+++ b/src/ArduinoJson/Array/ElementProxy.hpp
@@ -92,6 +92,10 @@ class ElementProxy : public VariantOperators<ElementProxy<TArray> >,
     return getOrAddUpstreamElement().template to<T>();
   }
 
+  FORCE_INLINE void link(VariantConstRef value) const {
+    getOrAddUpstreamElement().link(value);
+  }
+
   // Replaces the value
   //
   // bool set(const TValue&)