Fun with records

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/stuff.lac b/tests/stuff.lac
index 8348f5a1..806e4dfe 100644
--- a/tests/stuff.lac
+++ b/tests/stuff.lac
@@ -16,3 +16,23 @@ con c10 = ([]) :: {Type}
 
 val v1 = fn t :: Type => fn x : t => x
 val v2 = v1 [t :: Type -> t -> t] v1
+
+val r = {X = v1, Y = v2}
+val v1_again = r.X
+val v2_again = r.Y
+
+val r2 = {X = {}, Y = v2, Z = {}}
+val r2_X = r2.X
+val r2_Y = r2.Y
+val r2_Z = r2.Z
+
+val f = fn fs :: {Type} => fn x : $([X = {}] ++ fs) => x.X
+val f2 = fn fs :: {Type} => fn x : $(fs ++ [X = {}]) => x.X
+val f3 = fn fs :: {Type} => fn x : $([X = {}, Y = {Z : {}}] ++ fs) => x.X
+val f4 = fn fs :: {Type} => fn x : $([X = {}, Y = {Z : {}}] ++ fs) => x.Y
+val f5 = fn fs1 :: {Type} => fn fs2 :: {Type} => fn x : $(fs1 ++ [X = {}] ++ fs2) => x.X
+val f6 = fn fs1 :: {Type} => fn fs2 :: {Type} => fn x : $(fs1 ++ [X = {}] ++ fs2 ++ [Y = {Z : {}}]) => x.X
+val f7 = fn fs1 :: {Type} => fn fs2 :: {Type} => fn x : $(fs1 ++ [X = {}] ++ fs2 ++ [Y = {Z : {}}]) => x.Y
+
+val test = f [[Y = t :: Type -> t -> t, Z = {}]] r2
+val test = f7 [[Y = t :: Type -> t -> t]] [[Z = {}]] r2