From 30dd6a1ac1b0894bbcf46497531359e31ca31f91 Mon Sep 17 00:00:00 2001
From: pca006132 <john.lck40@gmail.com>
Date: Sun, 11 Apr 2021 23:36:18 +0800
Subject: [PATCH] added kernel only class

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index a0ffdda..dec672e 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,14 @@ Only types supported in the kernel can be referenced.
   does not fit into int32, it would raise an error. (Issue #2)
 * Only `uint32`, `int32` (and range of them) can be used as index.
 
+### Kernel Only class
+* Annotate the class with `@kernel`.
+* Functions are all kernel only, including constructor.
+
+Questions:
+* Should we also do `@portable`?
+* Support inheritance and polymorphism?
+
 ## Generics
 We use [type variable](https://docs.python.org/3/library/typing.html#typing.TypeVar) for denoting generics.