cute little test. still fscked.

hy/lang/expression.py

@@ -20,3 +20,11 @@ class HYExpression(list, HYObject):
             "function": fn,
             "args": args
         }
+
+    def __call__(self, *args, **kwargs):
+        things = []
+        fn = self.get_invocation()['function']
+        for child in self.get_children():
+            things.append(child())
+
+        return self.namespace[fn](*things)

test.py

@@ -0,0 +1,11 @@
+from hy.compiler.modfaker import forge_module
+from hy.lex.tokenize import tokenize
+
+
+m = forge_module(
+    'test',
+    'test.hy',
+    tokenize('(def two (+ 1 1))')
+)
+
+print m.two