Data commit

Task/Rot-13/E/rot-13.e

@@ -0,0 +1,12 @@
+pragma.enable("accumulator")
+
+var rot13Map := [].asMap()
+for a in ['a', 'A'] {
+    for i in 0..!26 {
+        rot13Map with= (a + i, E.toString(a + (i + 13) % 26))
+    }
+}
+
+def rot13(s :String) {
+  return accum "" for c in s { _ + rot13Map.fetch(c, fn{ c }) }
+}