Simplified type system

src/types/Pointer.go

@@ -1,17 +1,22 @@
 package types
 
+var PointerAny = &Pointer{To: nil}
+
+// Pointer is the address of an object.
 type Pointer struct {
 	To Type
 }
 
-func (p *Pointer) UniqueName() string {
+// Name returns the type name.
+func (p *Pointer) Name() string {
 	if p.To == nil {
 		return "Pointer"
 	}
 
-	return "Pointer:" + p.To.UniqueName()
+	return "Pointer:" + p.To.Name()
 }
 
-func (p *Pointer) TotalSize() uint8 {
+// Size returns the total size in bytes.
+func (p *Pointer) Size() int {
 	return 8
 }