add comments in example.rb

kachick · May 14, 2012 · 15c80e0 · 15c80e0
1 parent 8b9f66b
commit 15c80e0
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/example/example.rb b/example/example.rb
@@ -8,13 +8,13 @@ class Stack < AbstractStack; end
     stack = Stack.new
     stack.push 1
     stack << 7
-    p stack
+    p stack         #=> #<Stack limit=nil [1, 7]>
     p stack.top     #=> 7
     p stack.bottom  #=> 1
     stack.pop       #=> 7
     stack.pop       #=> 1
-    p stack
-    p stack.to_a
+    p stack         #=> #<Stack limit=nil []>
+    p stack.to_a    #=> []
     #stack.pop      #=> Exception(UnderFlow)
 
 # * Size limitation