diff options
Diffstat (limited to 'doc/NEWS-2.4.0')
| -rw-r--r-- | doc/NEWS-2.4.0 | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/doc/NEWS-2.4.0 b/doc/NEWS-2.4.0 index 28e855cde1..8a02f03809 100644 --- a/doc/NEWS-2.4.0 +++ b/doc/NEWS-2.4.0 @@ -14,16 +14,13 @@ with all sufficient information, see the ChangeLog file or Redmine === Language changes -* Multiple assignment in conditional expression is now allowed. - [Feature #10617] +* Multiple assignment in conditional expression is now allowed. [Feature #10617] * Refinements is enabled at method by Symbol#to_proc. [Feature #9451] -* Refinements is enabled with Kernel#send and BasicObject#__send__. - [Feature #11476] +* Refinements is enabled with Kernel#send and BasicObject#__send__. [Feature #11476] -* Rescue modifier now applicable to method arguments. - [Feature #12686] +* Rescue modifier now applicable to method arguments. [Feature #12686] * Toplevel return is now allowed. [Feature #4840] @@ -32,17 +29,21 @@ with all sufficient information, see the ChangeLog file or Redmine * Array * Array#concat [Feature #12333] + Now takes multiple arguments. * Array#max and Array#min. [Feature #12172] + This may cause a tiny incompatibility: if you redefine Enumerable#max and call max to an Array, your redefinition will be now ignored. You should also redefine Array#max. * Array#pack [Feature #12754] + Now takes optional argument `buffer:' to reuse already allocated buffer. * Array#sum [Feature #12217] + This is different from Enumerable#sum in that Array#sum doesn't depend on the definition of each method. @@ -56,8 +57,7 @@ with all sufficient information, see the ChangeLog file or Redmine * Enumerable - * Enumerable#chunk called without a block now return an Enumerator - [Feature #2172] + * Enumerable#chunk called without a block now return an Enumerator [Feature #2172] * Enumerable#sum [Feature #12217] * Enumerable#uniq [Feature #11090] @@ -95,6 +95,7 @@ with all sufficient information, see the ChangeLog file or Redmine * Integer#round now takes an optional keyword argument, half option, and the default behavior is round-up now. [Bug #12548] [Bug #12958] + half option can be one of :even, :up, and :down. [Feature #12953] * IO @@ -104,8 +105,7 @@ with all sufficient information, see the ChangeLog file or Redmine * Kernel - * Kernel#clone now takes an optional keyword argument, freeze flag. - [Feature #12300] + * Kernel#clone now takes an optional keyword argument, freeze flag. [Feature #12300] * MatchData @@ -138,6 +138,7 @@ with all sufficient information, see the ChangeLog file or Redmine for UTR #51 Unicode Emoji, Version 4.0 emoji zwj sequences. * Regexp#match? [Feature #8110] + This returns bool and doesn't save backref. * Update to Onigmo 6.0.0. @@ -153,6 +154,7 @@ with all sufficient information, see the ChangeLog file or Redmine * String#casecmp? [Feature #12786] * String#concat, String#prepend [Feature #12333] + Now takes multiple arguments. * String#each_line, String#lines now takes an optional keyword argument, @@ -189,8 +191,7 @@ with all sufficient information, see the ChangeLog file or Redmine * Thread - * Thread#report_on_exception and Thread.report_on_exception - [Feature #6647] + * Thread#report_on_exception and Thread.report_on_exception [Feature #6647] * TracePoint @@ -200,8 +201,7 @@ with all sufficient information, see the ChangeLog file or Redmine * New module named Warning is introduced. By default it has only one singleton method, named warn. This makes it possible for - 3rd-party libraries to control the way warnings are handled. - [Feature #12299] + 3rd-party libraries to control the way warnings are handled. [Feature #12299] === Stdlib updates (outstanding ones only) @@ -215,8 +215,7 @@ with all sufficient information, see the ChangeLog file or Redmine * IPAddr - * IPAddr#== and IPAddr#<=> no longer raise an exception if coercion fails. - [Bug #12799] + * IPAddr#== and IPAddr#<=> no longer raise an exception if coercion fails. [Bug #12799] * IRB @@ -256,8 +255,7 @@ with all sufficient information, see the ChangeLog file or Redmine * Readline - * Readline.quoting_detection_proc and Readline.quoting_detection_proc= - [Feature #12659] + * Readline.quoting_detection_proc and Readline.quoting_detection_proc= [Feature #12659] * REXML @@ -267,8 +265,7 @@ with all sufficient information, see the ChangeLog file or Redmine * set - * New methods: Set#compare_by_identity and Set#compare_by_identity?. - [Feature #12210] + * New methods: Set#compare_by_identity and Set#compare_by_identity?. [Feature #12210] * WEBrick @@ -277,6 +274,7 @@ with all sufficient information, see the ChangeLog file or Redmine === Compatibility issues (excluding feature bug fixes) * Array#sum and Enumerable#sum are implemented. [Feature #12217] + Ruby itself has no compatibility problem because Ruby didn't have sum method for arrays before Ruby 2.4. However many third party gems, activesupport, facets, simple_stats, etc, @@ -286,6 +284,7 @@ with all sufficient information, see the ChangeLog file or Redmine be perfectly compatible with all of them. * Fixnum and Bignum are unified into Integer [Feature #12005] + Fixnum class and Bignum class is removed. Integer class is changed from abstract class to concrete class. For example, 0 is an instance of Integer: 0.class returns Integer. @@ -300,6 +299,7 @@ with all sufficient information, see the ChangeLog file or Redmine * String/Symbol#upcase/downcase/swapcase/capitalize(!) now work for all of Unicode, not only for ASCII. [Feature #10085] + No change is needed if the data is in ASCII anyway or if the limitation to ASCII was only tolerated while waiting for a more extensive implementation. A change (using the :ascii option) is needed in cases where Unicode data @@ -307,6 +307,7 @@ with all sufficient information, see the ChangeLog file or Redmine A good example of this are internationalized domain names. * TRUE / FALSE / NIL + These constants are now obsoleted. [Feature #12574] Use true / false / nil resp. instead. @@ -332,8 +333,7 @@ with all sufficient information, see the ChangeLog file or Redmine * Shellwords.shellwords (shellsplit) treats the backslash as escape character only when followed by one of the following characters: - $ ` " \ <newline> - [Bug #10055] + $ ` " \ <newline> [Bug #10055] * Time @@ -348,11 +348,13 @@ with all sufficient information, see the ChangeLog file or Redmine * Tk * Tk is removed from stdlib. [Feature #8539] + https://github.com/ruby/tk is the new upstream. * XMLRPC * XMLRPC is removed from stdlib, and bundled as gem. [Feature #12160][ruby-core:74239] + https://github.com/ruby/xmlrpc is the new upstream. * Zlib @@ -390,8 +392,8 @@ with all sufficient information, see the ChangeLog file or Redmine === Miscellaneous changes * ChangeLog is removed from the repository. + It is generated from commit messages in Subversion by `make dist`. Also note that now people should follow Git style commit message. - The template is written at - [Short (50 chars or less) summary of changes](https://git-scm.com/book/ch5-2.html). - [Feature #12283] + The template is written at {Short (50 chars or less) summary of + changes}[https://git-scm.com/book/ch5-2.html]. [Feature #12283] |