docs

site/doc/pages/2_DValue_keys.txt

@@ -0,0 +1,17 @@
+:sig
+StringList DValue::keys() const
+
+:params
+return value : child keys for map/list values; empty for scalars
+
+:see
+0_DValue
+2_DValue_each
+0_StringList
+
+:content
+Returns the keys produced by `each()`. Scalar values have no child key, so the result is empty. List-shaped values return their numeric keys as strings.
+
+```cpp
+StringList names = context.props["user"].keys();
+```