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-rw-r--r--src/monoize.sml18
1 files changed, 16 insertions, 2 deletions
diff --git a/src/monoize.sml b/src/monoize.sml
index 63d84d8c..30bd5daa 100644
--- a/src/monoize.sml
+++ b/src/monoize.sml
@@ -957,8 +957,8 @@ fun monoExp (env, st, fm) (all as (e, loc)) =
val mt1 = (L'.TFun (un, t1), loc)
val mt2 = (L'.TFun (un, t2), loc)
in
- ((L'.EAbs ("m1", mt1, (L'.TFun (mt1, (L'.TFun (mt2, (L'.TFun (un, un), loc)), loc)), loc),
- (L'.EAbs ("m2", mt2, (L'.TFun (un, un), loc),
+ ((L'.EAbs ("m1", mt1, (L'.TFun ((L'.TFun (t1, mt2), loc), (L'.TFun (un, un), loc)), loc),
+ (L'.EAbs ("m2", (L'.TFun (t1, mt2), loc), (L'.TFun (un, un), loc),
(L'.EAbs ("_", un, un,
(L'.ELet ("r", t1, (L'.EApp ((L'.ERel 2, loc),
(L'.ERecord [], loc)), loc),
@@ -989,6 +989,20 @@ fun monoExp (env, st, fm) (all as (e, loc)) =
(L'.ESignalReturn (L'.ERel 0, loc), loc)), loc),
fm)
end
+ | L.EApp ((L.ECApp ((L.ECApp ((L.ECApp ((L.EFfi ("Basis", "bind"), _), _), _), t1), _), t2), _),
+ (L.EFfi ("Basis", "signal_monad"), _)) =>
+ let
+ val t1 = monoType env t1
+ val t2 = monoType env t2
+ val un = (L'.TRecord [], loc)
+ val mt1 = (L'.TSignal t1, loc)
+ val mt2 = (L'.TSignal t2, loc)
+ in
+ ((L'.EAbs ("m1", mt1, (L'.TFun ((L'.TFun (t1, mt2), loc), mt2), loc),
+ (L'.EAbs ("m2", (L'.TFun (t1, mt2), loc), mt2,
+ (L'.ESignalBind ((L'.ERel 1, loc), (L'.ERel 0, loc)), loc)), loc)), loc),
+ fm)
+ end
| L.ECApp ((L.EFfi ("Basis", "getCookie"), _), t) =>
let