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* range.c (range_init): no longer hide the user exception with a ArgumentError, just let the user exception go through. * test/ruby/test_range.rb (test_new): add tests. [Feature #7688] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58476 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
114 lines
3.2 KiB
Text
114 lines
3.2 KiB
Text
# -*- rdoc -*-
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= NEWS for Ruby 2.5.0
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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 or Redmine
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(e.g. <tt>https://bugs.ruby-lang.org/issues/$FEATURE_OR_BUG_NUMBER</tt>)
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== Changes since the 2.4.0 release
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=== Language changes
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* Top-level constant look-up is removed. [Feature #11547]
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* rescue/else/ensure are allowed inside do/end blocks. [Feature #12906]
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=== Core classes updates (outstanding ones only)
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* Array
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* Array#append [Feature #12746]
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* Array#prepend [Feature #12746]
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* Integer
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* Integer.sqrt [Feature #13219]
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* Integer#step does no longer rescue exceptions when given
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a step value which cannot be compared with #> to 0. [Feature #7688]
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* IO
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* IO#pread [Feature #4532]
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* IO#pwrite [Feature #4532]
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* IOError
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* exception message "stream closed" is changed [Bug #13405]
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* Numeric
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* Numerical comparison operators (<,<=,>=,>) no longer rescue exceptions
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of #coerce. Return nil in #coerce if the coercion is impossible.
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[Feature #7688]
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* Range
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* Range#initialize no longer rescue exceptions when comparing begin and
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end with #<=> and raise a "bad value for range" ArgumentError
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but instead let the exception from the #<=> call go through.
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[Feature #7688]
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* Regexp
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* Update Onigmo 6.1.1.
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* Support absent operator https://github.com/k-takata/Onigmo/issues/82
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* Thread
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* Thread#fetch [Feature #13009]
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* String
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* String#-@ deduplicates unfrozen strings. Already-frozen
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strings remain unchanged for compatibility. [Feature #13077]
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* -"literal" (String#-@) optimized to return the same object
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(same as "literal".freeze in Ruby 2.1+) [Feature #13295]
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=== Stdlib updates (outstanding ones only)
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* Net::HTTP
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* Net::HTTP#proxy_user and Net::HTTP#proxy_pass now reflects http_proxy
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environment variable if the system's environment variable is multiuser
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safe. [Bug #12921]
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* RbConfig
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* New constants:
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* RbConfig::LIMITS is added to provide the limits of C types.
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=== Compatibility issues (excluding feature bug fixes)
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* Random.raw_seed renamed to become Random.urandom. It is now
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applicable to non-seeding purposes due to [Bug #9569].
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* BasicSocket#read_nonblock and BasicSocket#write_nonblock no
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longer sets the O_NONBLOCK file description flag as side effect
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[Feature #13362]
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=== Stdlib compatibility issues (excluding feature bug fixes)
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* mathn.rb
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Removed from stdlib. [Feature #10169]
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=== C API updates
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=== Supported platform changes
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=== Implementation improvements
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* (This might not be a "user visible feature change" but) Hash class's
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hash function is now SipHash13. [Feature #13017]
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* SecureRandom now prefers OS-provided sources than OpenSSL. [Bug #9569]
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=== Miscellaneous changes
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* configure option --with-ext now mandates its arguments. So for
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instance if you run ./configure --with-ext=openssl,+ then the
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openssl library is guaranteed compiled, otherwise the build fails
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abnormally.
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Note however to always add the ",+" at the end of the argument.
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Otherwise nothing but openssl are built. [Feature #13302]
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