gistfile1.diff

diff --git a/kernel/common/array.rb b/kernel/common/array.rb
index 06b3fe8..d8c860f 100644
--- a/kernel/common/array.rb
+++ b/kernel/common/array.rb
@@ -819,13 +819,14 @@ class Array
   # is constructed by calling #inspect on all elements.
   # Descends through contained Arrays, recursive ones
   # are indicated as [...].
-  def inspect()
-    out = []
+  def inspect
+    comma = ', '
+    result = '['
     return "[...]" if Thread.detect_recursion self do
-      each { |o| out << o.inspect }
+      each { |o| result << o.inspect << comma }
     end
-
-    "[#{out.join ', '}]"
+    result.shorten!(2)
+    result << ']'
   end