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-rw-r--r--src/monoize.sml17
-rw-r--r--tests/ord.ur3
2 files changed, 19 insertions, 1 deletions
diff --git a/src/monoize.sml b/src/monoize.sml
index 8ffe3f1b..06156544 100644
--- a/src/monoize.sml
+++ b/src/monoize.sml
@@ -761,6 +761,23 @@ fun monoExp (env, st, fm) (all as (e, loc)) =
boolBin "<",
boolBin "<=")
end
+ | L.EFfi ("Basis", "ord_string") =>
+ let
+ fun boolBin s =
+ (L'.EAbs ("x", (L'.TFfi ("Basis", "string"), loc),
+ (L'.TFun ((L'.TFfi ("Basis", "string"), loc), (L'.TFfi ("Basis", "bool"), loc)), loc),
+ (L'.EAbs ("y", (L'.TFfi ("Basis", "string"), loc),
+ (L'.TFfi ("Basis", "bool"), loc),
+ (L'.EBinop (s,
+ (L'.EBinop ("strcmp",
+ (L'.ERel 1, loc),
+ (L'.ERel 0, loc)), loc),
+ (L'.EPrim (Prim.Int (Int64.fromInt 0)), loc)), loc)), loc)), loc)
+ in
+ ordEx ((L'.TFfi ("Basis", "string"), loc),
+ boolBin "<",
+ boolBin "<=")
+ end
| L.ECApp ((L.EFfi ("Basis", "show"), _), t) =>
let
diff --git a/tests/ord.ur b/tests/ord.ur
index 52e1c305..fe2dbe8d 100644
--- a/tests/ord.ur
+++ b/tests/ord.ur
@@ -1,5 +1,6 @@
fun main () : transaction page = return <xml><body>
{[ 1 < 1 ]}, {[ 1 < 2 ]}, {[ 1 <= 1 ]}, {[ 2 <= 1 ]}, {[ 1 > 1 ]}, {[ 2 > 1 ]}, {[ 0 >= 1 ]}, {[ 2 >= 1 ]}<br/>
{[ 1.0 < 1.0 ]}, {[ 1.0 < 2.0 ]}, {[ 1.0 <= 1.0 ]}, {[ 2.0 <= 1.0 ]}, {[ 1.0 > 1.0 ]}, {[ 2.0 > 1.0 ]}, {[ 0.0 >= 1.0 ]}, {[ 2.0 >= 1.0 ]}<br/>
- {[ True < False ]}, {[ False < True ]}, {[ False <= True ]}, {[ False > True ]}
+ {[ True < False ]}, {[ False < True ]}, {[ False <= True ]}, {[ False > True ]}<br/>
+ {[ "A" < "B" ]}, {[ "C" < "B" ]}
</body></xml>