# HG changeset patch
# User Dan Buch <daniel.buch@gmail.com>
# Date 1315829212 14400
# Node ID b8cad19a9ccd00c9e576190c54f2c6fe541bf35b
# Parent  55b26fa5cabe739cc40af47fee336af38d1cd5ad
declaring vars in the bnf style, saving a lookup in the for-loop

diff -r 55b26fa5cabe739cc40af47fee336af38d1cd5ad -r b8cad19a9ccd00c9e576190c54f2c6fe541bf35b src/echo.go
--- a/src/echo.go	Mon Sep 12 07:49:59 2011 -0400
+++ b/src/echo.go	Mon Sep 12 08:06:52 2011 -0400
@@ -17,8 +17,9 @@
 
 func main(){
     flag.Parse()
-    var s string = ""
-    for i := 0; i < flag.NArg(); i++ {
+    s := ""
+    n := flag.NArg()
+    for i := 0; i < n; i++ {
         if i > 0 {
             s += Space
         }