better namespace parse tree stringification.

src/Parser/Statements/ParsedStatementStringifier.hpp

@@ -84,9 +84,10 @@ namespace MalachScript::Parser {
                     break;
                 }
                 case ParsedStatementKind::Namespace: {
+                    const auto* ns = static_cast<const ParsedNamespaceStatement*>(statement);
+                    stream << " " << ns->GetIdentifier();
                     stream << std::endl;
-                    auto& script = static_cast<const ParsedNamespaceStatement*>(statement)->GetScript();
-                    Stringify(script.get(), stream, prefix + (isLast ? "    " : "│   "), true);
+                    Stringify(ns->GetScript().get(), stream, prefix + (isLast ? "    " : "│   "), true);
                     break;
                 }
                 case ParsedStatementKind::Type: {