<NME> Func0.java
<BEF> ADDFILE
<MSG> Unify tracks, routes, indiv. routes options dialog (rel. to #12129

<DFF> @@ -0,0 +1,5 @@
+package cgeo.geocaching.utils.functions;
+
+public interface Func0<R> {
+    R call();
+}

Unify tracks, routes, indiv. routes options dialog (rel. to #12129