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+
+
+// %CopyrightBegin%
+//
+// Copyright Ericsson AB 1997-2010. All Rights Reserved.
+//
+// The contents of this file are subject to the Erlang Public License,
+// Version 1.1, (the "License"); you may not use this file except in
+// compliance with the License. You should have received a copy of the
+// Erlang Public License along with this software. If not, it can be
+// retrieved online at http://www.erlang.org/.
+//
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+// the License for the specific language governing rights and limitations
+// under the License.
+//
+// %CopyrightEnd%
+
+
+interface I1 {
+ typedef long T1;
+ typedef struct S1 {long a; boolean b;} T2;
+ typedef string StringT, StringT_arr[10];
+
+ T1 op1( in StringT a, inout char b, out StringT_arr c );
+ T2 op2( in char a, inout char b, out StringT_arr c );
+
+ const T1 LongC = 10;
+ const StringT StringC = "Hola bambino";
+
+};
+
+
+interface I2 : I1 {
+ T1 op3( in long a);
+
+ const long c1 = LongC;
+ const string c2 = StringC;
+};
+
+interface I3 : I1 {};
+
+interface I4 : I3, I2 {}; // Check that branced inherit works
+
+
+
+// Now use cnstants to check that inheritance works as expected
+
+module m1 {
+ interface I1 {
+ typedef long T1;
+
+ const T1 c1 = 9;
+ };
+
+ interface I2 : I1 {
+ const T1 c2 = c1+5; // c2 = 14
+ const long c3 = c2+c1+4; // c3 = 27
+ };
+
+ interface I3 : I2, I1 {
+ const long c1 = 50; // Overrides I1::c1
+ const T1 c4 = c1+c2+c3; // c4=91
+ const T1 c5 = I1::c1+c1+c2+c3; // 100
+ };
+};
+