Changes in libcfa/src/enum.hfa [6804f38:2dd5c6d]

File:

• libcfa/src/enum.hfa (modified) (1 diff)

libcfa/src/enum.hfa

@@ -66 +66 @@
                 return l;
         }
+
+        E ?+=? ( E & l, one_t ) {
+                l = succ(l);
+                return l;
+        }
+        
+        E ?-=? ( E & l, one_t ) {
+                l = pred(l);
+                return l;
+        }
+
+        E ?+=? ( E & l, int i ) {
+                int pos = posn(l) + i;
+                return fromInt(pos);
+        }
+
+        E ?-=? ( E & l, int i ) {
+                int pos = posn(l) - i;
+                return fromInt(pos);
+        }
         
         E ?++( E & l ) {