minor name change

ianpaulwright · ianpaulwright · commit c26c7ec4272a · 2019-11-13T00:09:51.000Z
diff --git a/src/Datalog.h b/src/Datalog.h
@@ -252,7 +252,7 @@ struct ExternalFunction {
 };
 
 template<typename T>
-static ExternalFunction<T> external(
+static ExternalFunction<T> lambda(
 	unique_ptr<Variable<T>>& bindVariable,
 	typename ExternalFunction<T>::ExternalFunctionType externalFunction) {
 	return ExternalFunction<T> {*bindVariable, externalFunction};
diff --git a/tests/types_test.cpp b/tests/types_test.cpp
@@ -267,7 +267,7 @@ bool test4()
     auto externalHeights = rule(
         atom<Height>(name, height),
         body(atom<Person>(name, age, female, country)),
-        external(height, [&age]() { return val(age) * 3.0f; } )
+        lambda(height, [&age]() { return val(age) * 3.0f; } )
     );
 #endif
 
