renamed ret to num for clarity; converted for loop to possibly more i…

…diomatic foreach
smholloway · Aug 12, 2012 · 6d7850e · 6d7850e
1 parent c9fadd3
commit 6d7850e
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/scala/col2num.scala b/scala/col2num.scala
@@ -7,11 +7,11 @@
   *   col2num("aaa") -> 703
   */
 def col2num(str: String): Int = {
-  var ret = 0
+  var num = 0
   var index = 0
-  for (c <- str.toUpperCase.reverse) {
-    ret = ret + ((c - 'A' + 1) * scala.math.pow(26, index).toInt)
+  str.toUpperCase.reverse.foreach { c =>
+    num = num + ((c - 'A' + 1) * scala.math.pow(26, index).toInt)
     index += 1
   }
-  ret
+  num
 }