docs

site/doc/pages/2_DValue_has.txt

@@ -0,0 +1,18 @@
+:sig
+bool DValue::has(String s) const
+
+:params
+s : child key to test
+return value : true when the dereferenced value is map-shaped and contains the key
+
+:see
+0_DValue
+2_DValue_key
+2_DValue_get_by_path
+
+:content
+Checks for a child key without creating it. Returns false for scalars and missing keys.
+
+```cpp
+if(context.props.has("title")) print(context.props["title"].to_string());
+```