From 181e38b5514c861390bacd5798622af7df57b089 Mon Sep 17 00:00:00 2001
From: Nikolay Kim <fafhrd91@gmail.com>
Date: Wed, 26 Jul 2017 22:40:47 -0700
Subject: [PATCH] add guid entry for base class

---
 guide/src/class.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/guide/src/class.md b/guide/src/class.md
index d8dcaf4d..2dfbe4cf 100644
--- a/guide/src/class.md
+++ b/guide/src/class.md
@@ -98,6 +98,18 @@ Some rules of `new` method
   Usually, `T` will be `MyType`.
 
 
+## Inheritance
+
+By default `PyObject` is used as default base class. To override default base class
+`base` parameter to `py::class` needs to be used. Value is full path to base class.
+
+```rust
+#[py::class(base=asyncio.protocols.AbstractEventLoop)]
+class MyEventLoop {
+    ...
+}
+```
+
 ## Object properties
 
 Instance's `__dict__` attributes is not supported by pyo3 library. But it is