From 590905f4b3333291a7d0a8b23b330f8a4a19852e Mon Sep 17 00:00:00 2001
From: Jason Turner <jason@emptycrate.com>
Date: Fri, 2 Dec 2016 20:32:47 -0700
Subject: [PATCH] Add notes on base_class conversions

---
 cheatsheet.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/cheatsheet.md b/cheatsheet.md
index 6bde03fe..a4f74384 100644
--- a/cheatsheet.md
+++ b/cheatsheet.md
@@ -92,6 +92,7 @@ chai.add(chaiscript::user_type<MyClass>(), "MyClass");
 User defined type conversions are possible, defined in either script or in C++.
 
 
+
 ### ChaiScript Defined Conversions
 
 Function objects (including lambdas) can be used to add type conversions
@@ -115,6 +116,21 @@ Calling a user defined type conversion that takes a lambda
 chai.add(chaiscript::type_conversion<TestBaseType, Type2>([](const TestBaseType &t_bt) { /* return converted thing */ }));
 ```
 
+### Class Hierarchies
+
+If you want objects to be convertable between base and derived classes, you must tell ChaiScritp about the relationship.
+
+```
+chai.add(chaiscript::base_class<Base, Derived>());
+```
+
+If you have multiple classes in your inheritance graph, you will probably want to tell ChaiScript about all relationships.
+
+```
+chai.add(chaiscript::base_class<Base, Derived>());
+chai.add(chaiscript::base_class<Derived, MoreDerived>());
+chai.add(chaiscript::base_class<Base, MoreDerived>());
+```
 
 ### Helpers