Add todo

compiler/NubLang/Generation/QBE/QBEGenerator.cs

@@ -95,7 +95,7 @@ public class QBEGenerator
                               %size =l loadl %array
                               ret %size
                           }
-                          
+
                           """);
 
         _writer.Comment("========== Referenced structs ==========");
@@ -355,6 +355,8 @@ public class QBEGenerator
 
     private void EmitStructType(StructTypeNode structType)
     {
+        // todo(nub31): qbe expects structs to be declared in order. We must Check the dependencies of the struct to see if a type need to be declared before this one
+        // qbe allows multiple declarations of the same struct, but we should keep track and only emit an new one if necessary
         _writer.Write($"type {StructTypeName(structType.Module, structType.Name)} = {{ ");
 
         foreach (var field in structType.Fields)