--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/compiler/TFunctionType.st	Mon Aug 31 13:53:40 2015 +0100
@@ -0,0 +1,21 @@
+"{ Package: 'jv:tea/compiler' }"
+
+"{ NameSpace: Smalltalk }"
+
+TType subclass:#TFunctionType
+	instanceVariableNames:'parameterTypes returnType'
+	classVariableNames:''
+	poolDictionaries:''
+	category:'Languages-Tea-Compiler-Types'
+!
+
+!TFunctionType class methodsFor:'queries'!
+
+isAbstract
+    "Return if this class is an abstract class.
+     True is returned here for myself only; false for subclasses.
+     Abstract subclasses must redefine again."
+
+    ^ self == TFunctionType.
+! !
+