1 files changed, 22 insertions, 0 deletions
diff --git a/test/typecheck/pass/exint.sail b/test/typecheck/pass/exint.sail
new file mode 100644
index 00000000..dfe51eb9
--- /dev/null
+++ b/test/typecheck/pass/exint.sail
@@ -0,0 +1,22 @@
+
+typedef Int = exist 'n. [:'n:]
+
+val ([:'n:], [:'m:]) -> exist 'o, 'o = 'n + 'm. [:'o:] effect pure add
+
+val ([:'n:], [:'m:]) -> exist 'o, 'o = 'n * 'm. [:'o:] effect pure mult
+
+overload (deinfix +) [add]
+
+overload (deinfix * ) [mult]
+
+let x = 3 + 4
+
+let y = x + x * x
+
+let ([:7 * 8:]) z = y
+
+typedef Range = forall Num 'n, Num 'm, 'n <= 'm. exist 'o, 'n <= 'o & 'o <= 'm. [:'o:]
+
+let (Range<3,4>) a = 3
+
+let (Range<2,5>) b = a + 1
+\ No newline at end of file