+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import core::kernel
+
+redef class Int
+ fun a: Int do return 10*self+self.abs
+end
+
+fun foo(a: Int): Int do
+ a.output
+ return a
+end
+fun bar(a: Int) do a.output
+
+foo 1.a
+foo(1.a)
+foo (1).a
+foo(1).a
+foo((1).a)
+
+'\n'.output
+
+bar 1.a
+bar(1.a)
+#alt1#bar (1).a
+#alt1#bar(1).a
+bar((1).a)