fix: UsingSymbol is SymbolParent

Author: alandefreitas

include/mrdocs/Corpus.hpp

@@ -215,7 +215,7 @@ class MRDOCS_VISIBLE
     void
     traverse(TraverseOptions const& opts, T const& I, F&& f, Args&&... args) const
     {
-        if constexpr (SymbolParent<T>)
+        if constexpr (SymbolParent<T> && !std::same_as<T, UsingSymbol>)
         {
             if (!opts.ordered)
             {

include/mrdocs/Metadata/Symbol/Using.hpp

@@ -174,6 +174,15 @@ tag_invoke(
     v = dom::LazyObject(I, domCorpus);
 }
 
+inline
+auto&
+allMembers(UsingSymbol const& T)
+{
+    return T.ShadowDeclarations;
+}
+
+static_assert(SymbolParent<UsingSymbol>);
+
 } // mrdocs
 
 #endif // MRDOCS_API_METADATA_SYMBOL_USING_HPP

src/lib/AST/ASTVisitor.cpp

@@ -1904,6 +1904,13 @@ addMember(OverloadsSymbol& I, Symbol const& Member) const
         I.Name);
 }
 
+void
+ASTVisitor::
+addMember(UsingSymbol& I, Symbol const& Member) const
+{
+    addMember(I.ShadowDeclarations, Member);
+}
+
 void
 ASTVisitor::
 addMember(std::vector<SymbolID>& container, Symbol const& Member) const

src/lib/AST/ASTVisitor.hpp

@@ -759,6 +759,9 @@ class ASTVisitor
     void
     addMember(OverloadsSymbol& I, Symbol const& Member) const;
 
+    void
+    addMember(UsingSymbol& I, Symbol const& Member) const;
+
     void
     addMember(std::vector<SymbolID>& container, Symbol const& Member) const;
 

test-files/golden-tests/regression/1057.yml

@@ -0,0 +1 @@
+warn-if-undoc-enum-val: false