Const array

bblanchon · Jan 23, 2019 · 1d01a60 · 1d01a60
1 parent 021be1b
commit 1d01a60
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diff --git a/src/ArduinoJson/Document/JsonDocument.hpp b/src/ArduinoJson/Document/JsonDocument.hpp
@@ -119,6 +119,10 @@ class JsonDocument : public Visitable {
     return getVariant()[index];
   }
 
+  FORCE_INLINE VariantConstRef operator[](size_t index) const {
+    return getVariant()[index];
+  }
+
  protected:
   JsonDocument(MemoryPool pool) : _pool(pool) {
     _data.setNull();

diff --git a/test/JsonDocument/subscript.cpp b/test/JsonDocument/subscript.cpp
@@ -27,5 +27,6 @@ TEST_CASE("JsonDocument::operator[]") {
     deserializeJson(doc, "[\"hello\",\"world\"]");
 
     REQUIRE(doc[1] == "world");
+    REQUIRE(cdoc[1] == "world");
   }
 }