start support for recursive let

[minfp.git] / ast.dcl

diff --git a/ast.dcl b/ast.dcl
index 5f7b1b5..7dd17d7 100644 (file)
--- a/ast.dcl
+++ b/ast.dcl
@@ -12,7 +12,7 @@ from int import :: Eval
        | Var [Char]
        | App Expression Expression
        | Lambda [Char] Expression
-       | Let [Char] Expression Expression
+       | Let [([Char], Expression)] Expression
 
 :: Value
        = Int Int