Now builds with MLton

[hcoop/domtool2.git] / src / ast.sml

diff --git a/src/ast.sml b/src/ast.sml
index 667a26c..ba00f78 100644 (file)
--- a/src/ast.sml
+++ b/src/ast.sml
@@ -59,7 +59,7 @@ datatype typ' =
        | TUnif of string * typ option ref
        (* Unification variable to be determined during type-checking *)
 withtype typ = typ' * position
-     and record = typ StringMap.map
+     and record = (typ' * position) StringMap.map
 
 datatype exp' =
         EInt of int
@@ -89,6 +89,8 @@ datatype exp' =
        * action are abandoned *)
        | EWith of exp * exp
        (* Apply a TNested to an action *)
+       | EALam of string * pred * exp
+       (* Abstraction for building TNested values *)
 withtype exp = exp' * position
 
 datatype decl' =