1 files changed, 6 insertions, 0 deletions
diff --git a/src/utility.js b/src/utility.js
index 42e8ede4..5019e117 100644
--- a/src/utility.js
+++ b/src/utility.js
@@ -108,6 +108,12 @@ function zeros(size) {
   return ret;
 }
 
+function spaces(size) {
+  var ret = '';
+  for (var i = 0; i < size; i++) ret += ' ';
+  return ret;
+}
+
 function keys(x) {
   var ret = [];
   for (var a in x) ret.push(a);