re-adding tag v1_9_0_4 as an alias of trunk@18848v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 80 deletions

diff --git a/trunk/sample/list.rb b/trunk/sample/list.rb
deleted file mode 100644
index 221f7edb16..0000000000
--- a/trunk/sample/list.rb
+++ /dev/null
@@ -1,80 +0,0 @@
-# Linked list example
-class MyElem
-  # object initializer called from Class#new
-  def initialize(item)
-    # @variables are instance variable, no declaration needed
-    @data = item
-    @succ = nil
-  end
-
-  def data
-    @data
-  end
-
-  def succ
-    @succ
-  end
-
-  # the method invoked by ``obj.data = val''
-  def succ=(new)
-    @succ = new
-  end
-end
-
-class MyList
-  def add_to_list(obj)
-    elt = MyElem.new(obj)
-    if @head
-      @tail.succ = elt
-    else
-      @head = elt
-    end
-    @tail = elt
-  end
-
-  def each
-    elt = @head
-    while elt
-      yield elt
-      elt = elt.succ
-    end
-  end
-
-  # the method to convert object into string.
-  # redefining this will affect print.
-  def to_s
-    str = "<MyList:\n";
-    for elt in self
-      # short form of ``str = str + elt.data.to_s + "\n"''
-      str += elt.data.to_s + "\n"
-    end
-    str += ">"
-    str
-  end
-end
-
-class Point
-  def initialize(x, y)
-    @x = x; @y = y
-    self
-  end
-
-  def to_s
-    sprintf("%d@%d", @x, @y)
-  end
-end
-
-# global variable name starts with `$'.
-$list1 = MyList.new
-$list1.add_to_list(10)
-$list1.add_to_list(20)
-$list1.add_to_list(Point.new(2, 3))
-$list1.add_to_list(Point.new(4, 5))
-$list2 = MyList.new
-$list2.add_to_list(20)
-$list2.add_to_list(Point.new(4, 5))
-$list2.add_to_list($list1)
-
-# parenthesises around method arguments can be ommitted unless ambiguous.
-print "list1:\n", $list1, "\n"
-print "list2:\n", $list2, "\n"