ruby-changes:5151
From: knu <ko1@a...>
Date: Tue, 27 May 2008 20:37:57 +0900 (JST)
Subject: [ruby-changes:5151] Ruby:r16646 (ruby_1_8): Add a note about Array#slice! changes.
knu 2008-05-27 20:37:51 +0900 (Tue, 27 May 2008) New Revision: 16646 Modified files: branches/ruby_1_8/NEWS Log: Add a note about Array#slice! changes. http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/NEWS?r1=16646&r2=16645&diff_format=u Index: ruby_1_8/NEWS =================================================================== --- ruby_1_8/NEWS (revision 16645) +++ ruby_1_8/NEWS (revision 16646) @@ -395,6 +395,37 @@ === Compatibility issues (excluding feature bug fixes) +* String#slice! had some unintentional bugs and they have been fixed + because either they disagreed with documentation or their respective + behavior of #slice. Unfortunately, this causes some + incompatibilities in the following (somewhat rare) cases. + + * #slice! no longer expands the array when an out-of-boundary value + is given. + + # Ruby 1.8.6 + a = [1,2] + a.slice!(4,0) #=> nil + a #=> [1,2,nil,nil] + + # Ruby 1.8.7 + a = [1,2] + a.slice!(4,0) #=> nil + a #=> [1,2] + + * #slice! no longer raises an exception but returns nil when a + negative length or out-of-boundary negative position is given. + + # Ruby 1.8.6 + a = [1,2] + a.slice!(1,-1) #=> (raises IndexError) + a.slice!(-5,1) #=> (raises IndexError) + + # Ruby 1.8.7 + a = [1,2] + a.slice!(1,-1) #=> nil + a.slice!(-5,1) #=> nil + * String#to_i, String#hex and String#oct no longer accept a sequence of underscores (`__') as part of a number. -- ML: ruby-changes@q... Info: http://www.atdot.net/~ko1/quickml/