X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=tests%2Forg.simantics.scl.compiler.tests%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Ftests%2Fscl%2FTypeClassBug1.scl;fp=tests%2Forg.simantics.scl.compiler.tests%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Ftests%2Fscl%2FTypeClassBug1.scl;h=2ea51bef65346f2cdd2f4219fb95f9a8f348cb2a;hb=0364f8f54b009e9e5de482d5c9d1cb7efb023141;hp=0000000000000000000000000000000000000000;hpb=7ecf07ff9aacab300f1fb900f1f0f97beb1be139;p=simantics%2Fplatform.git

diff --git a/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/TypeClassBug1.scl b/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/TypeClassBug1.scl
new file mode 100644
index 000000000..2ea51bef6
--- /dev/null
+++ b/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/TypeClassBug1.scl
@@ -0,0 +1,19 @@
+import "JavaBuiltin" as Java
+
+importJava "org.simantics.scl.runtime.Lists" where
+    foldl :: (a -> b -> a) -> a -> [b] -> a
+
+class Additive a where
+    zero :: a
+    (+)  :: a -> a -> a    
+    
+    sum  :: [a] -> a
+    sum = foldl (+) zero    
+    
+instance (Additive a, Additive b, Additive c) => Additive (a, b, c) where
+    zero = (zero, zero, zero)
+    (a0, b0, c0) + (a1, b1, c1) = (a0+a1, b0+b1, c0+c1)
+    
+main = "OK"
+--
+OK
\ No newline at end of file