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* lib/set.rb (Set#intersect?, Set#disjoint?): Add new methods for testing if two sets have any element in common. [ruby-core:45641] [Feature #6588] Based on the code by marcandre. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42253 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
170 lines
4.6 KiB
Text
170 lines
4.6 KiB
Text
# -*- rdoc -*-
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= NEWS for Ruby 2.1.0
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This document is a list of user visible feature changes made between
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releases except for bug fixes.
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Note that each entry is kept so brief that no reason behind or
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reference information is supplied with. For a full list of changes
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with all sufficient information, see the ChangeLog file.
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== Changes since the 2.0.0 release
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=== Language changes
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=== Core classes updates (outstanding ones only)
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* GC
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* added environment variable:
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* RUBY_HEAP_SLOTS_GROWTH_FACTOR: growth rate of the heap.
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* IO
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* extended methods:
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* IO#seek accepts symbols (:CUR, :END, :SET) for 2nd argument.
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* Kernel
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* New methods:
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* Kernel#singleton_method
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* Module
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* New methods:
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* Module#using, which activates refinements of the specified module only
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in the current class or module definition.
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* Mutex
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* misc
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* Mutex#owned? is no longer experimental.
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* String
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* New methods:
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* String#scrub and String#scrub! verify and fix invalid byte sequence.
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* extended methods:
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* If invalid: :replace is specified for String#encode, replace
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invalid byte sequence even if the destination encoding equals to
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the source encoding.
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* pack/unpack (Array/String)
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* Q! and q! directives for long long type if platform has the type.
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* toplevel
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* extended methods:
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* main.using activates refinements in the ancestors of the argument
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module to support refinement inheritance by Module#include.
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=== Core classes compatibility issues (excluding feature bug fixes)
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* IO
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* incompatible changes:
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* open ignore internal encoding if external encoding is ASCII-8BIT.
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* Kernel#untrusted?, untrust, and trust
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* These methods are deprecated and their behavior is same as tainted?,
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taint, and untaint, respectively. If $VERBOSE is true, they show warnings.
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* Module#ancestors
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* The ancestors of a singleton class now include singleton classes,
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in particular itself.
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* Numeric#quo
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* Raises TypeError instead of ArgumentError if the receiver doesn't have
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to_r method.
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=== Stdlib updates (outstanding ones only)
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* Digest
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* extended methods:
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* Digest::Class.file takes optional arguments for its constructor
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* Matrix
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* Added Vector#cross_product.
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* Net::SMTP
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* Added Net::SMTP#rset to implement the RSET command
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* Pathname
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* New methods:
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* Pathname#write
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* Pathname#binwrite
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* OpenSSL::BN
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* extended methods:
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* OpenSSL::BN.new allows Fixnum/Bignum argument.
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* open-uri
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* Support multiple fields with same field name (like Set-Cookie).
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* Resolv
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* New methods:
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* Resolv::DNS.fetch_resource
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* One-shot multicast DNS support
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* Support LOC resources
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* Rinda::RingServer, Rinda::RingFinger
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* Rinda now supports multicast sockets. See Rinda::RingServer and
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Rinda::RingFinger for details.
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* RubyGems
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* Updated to 2.0.3. See
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http://rubygems.rubyforge.org/rubygems-update/History_txt.html#label-2.0.3+%2F+2012-03-1
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for release notes.
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* Socket
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* New methods:
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* Socket.getifaddrs
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* StringScanner
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* extended methods:
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* StringScanner#[] supports named captures.
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* Syslog::Logger
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* Added facility.
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* Tempfile
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* New methods:
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* Tempfile.create
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* CGI::Util
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* All class methods modulized.
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* XMLRPC::Client
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* New methods:
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* XMLRPC::Client#http. It returns Net::HTTP for the client. Normally,
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it is not needed. It is useful when you want to change minor HTTP client
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options. You can change major HTTP client options by XMLRPC::Client
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methods. You should use XMLRPC::Client methods for changing major
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HTTP client options instead of XMLRPC::Client#http.
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* REXML::Parsers::StreamParser
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* Supports "entity" event.
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* REXML::Text
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* REXML::Text#<< supports method chain like 'text << "XXX" << "YYY"'.
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* REXML::Text#<< supports not "raw" mode.
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* Set
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* New methods:
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* Set#intersect?
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* Set#disjoint?
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=== Stdlib compatibility issues (excluding feature bug fixes)
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* Set
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* incompatible changes:
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* Set#to_set now returns self instead of generating a copy.
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* URI
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* incompatible changes:
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* URI.decode_www_form follows current WHATWG URL Standard.
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It gets encoding argument to specify the character encoding.
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It now allows loose percent encoded strings, but denies ;-separator.
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* URI.encode_www_form follows current WHATWG URL Standard.
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It gets encoding argument to convert before percent encode.
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UTF-16 strings aren't converted to UTF-8 before percent encode by default.
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=== Built-in global variables compatibility issues
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* $SAFE
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* $SAFE=4 is obsolete. If $SAFE is set to 4 or larger, an ArgumentError
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is raised.
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=== C API updates
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