diff options
Diffstat (limited to 'tests/untried/pos/tcpoly_return_overriding.scala')
-rw-r--r-- | tests/untried/pos/tcpoly_return_overriding.scala | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/untried/pos/tcpoly_return_overriding.scala b/tests/untried/pos/tcpoly_return_overriding.scala new file mode 100644 index 000000000..57ec8da76 --- /dev/null +++ b/tests/untried/pos/tcpoly_return_overriding.scala @@ -0,0 +1,13 @@ +trait Generic[g[x]] { + def unit: g[Unit] +} + +trait Rep[t] { + def rep[m[x]](implicit gen: Generic[m]): m[t] +} + +// testing that the return type is also transformed when checking overriding +// + that substitution (of types&symbols) preserves isHigherKinded when replacing a higher-kinded type with another one +object foo extends Rep[Unit] { + def rep[g[x]](implicit gen: Generic[g]): g[Unit]= gen.unit +} |