Type annotations on environment variable reads

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

diff --git a/src/ast.sml b/src/ast.sml
index 0e8688d..ead8531 100644 (file)
--- a/src/ast.sml
+++ b/src/ast.sml
@@ -80,7 +80,7 @@ datatype exp' =
        (* Do-nothing action *)
        | ESet of string * exp
        (* Set an environment variable *)
        (* Do-nothing action *)
        | ESet of string * exp
        (* Set an environment variable *)

-       | EGet of string * string * exp
+       | EGet of string * typ option * string * exp

        (* Get an environment variable *)
        | ESeq of exp list
        (* Monad sequencer; execute a number of commands in order *)
        (* Get an environment variable *)
        | ESeq of exp list
        (* Monad sequencer; execute a number of commands in order *)