Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / tests / org / simantics / scl / compiler / tests / scl / InstanceHierarchy.scl

diff --git a/bundles/org.simantics.scl.compiler/tests/org/simantics/scl/compiler/tests/scl/InstanceHierarchy.scl b/bundles/org.simantics.scl.compiler/tests/org/simantics/scl/compiler/tests/scl/InstanceHierarchy.scl
new file mode 100644 (file)
index 0000000..1c751f3
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/tests/org/simantics/scl/compiler/tests/scl/InstanceHierarchy.scl
@@ -0,0 +1,26 @@
+import "Prelude" hiding (zero, one)\r
+\r
+class MyAdditive a where\r
+    zero :: a\r
+    \r
+class (MyAdditive a) => MyRing a where\r
+    one :: a\r
+\r
+instance MyAdditive Integer where\r
+    zero = 0\r
+\r
+instance MyRing Integer where\r
+    one = 1\r
+    \r
+data Poly a = Poly [a]\r
+\r
+instance (MyAdditive a) => MyAdditive (Poly a) where\r
+    zero = Poly []\r
+\r
+instance (MyRing a) => MyRing (Poly a) where\r
+    one = Poly [one]\r
+    \r
+main :: Poly Integer\r
+main = one\r
+--\r
+[1]
\ No newline at end of file