Refactoring: less indents.

Nodes.cpp

@@ -111,13 +111,15 @@ void Branch::emit(std::ostream &stream, int indent) {
         }
     }
 
-    if (els != nullptr) {
+    if (els == nullptr) {
+        return;
+    }
+
     stream << " else {\n";
     els->emit(stream, indent + 1);
     emitIndent(stream, indent);
     stream << "}";
 }
-}
 
 void VarDeclaration::emit(std::ostream &stream, int indent) {
     stream << type << ' ';