Improved type system

src/types/Field.go

@@ -0,0 +1,11 @@
+package types
+
+import "git.akyoto.dev/cli/q/src/token"
+
+// Field is a field in a data structure.
+type Field struct {
+	Type     *Type
+	Name     string
+	Position token.Position
+	Offset   uint8
+}