old ChangeLog and NEWS move to doc

* doc/NEWS-2.1.0: moved from NEWS
* doc/ChangeLog-2.1.0: moved ChangeLog older than created ruby_2_0_0 branch
* NEWS: NEWS for 2.2.0 that describes changes since 2.1.0
* ChangeLog: ChangeLog since created v2_1_0_rc1 tag (branch point of ruby_2_1 branch)

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@ -1,6 +1,6 @@
# -*- rdoc -*-
= NEWS for Ruby 2.1.0
= NEWS for Ruby 2.2.0
This document is a list of user visible feature changes made between
releases except for bug fixes.
@ -9,365 +9,19 @@ Note that each entry is kept so brief that no reason behind or
reference information is supplied with. For a full list of changes
with all sufficient information, see the ChangeLog file.
== Changes since the 2.0.0 release
== Changes since the 2.1.0 release
=== Language changes
* Now the default values of keyword arguments can be omitted. Those
"required keyword arguments" need giving explicitly at the call time.
* Added suffixes for integer and float literals: 'r', 'i', and 'ri'.
* "42r" and "3.14r" are evaluated as Rational(42, 1) and 3.14.rationalize,
respectively. But exponential form with 'r' suffix like "6.022e+23r" is
not accepted because it is misleading.
* "42i" and "3.14i" are evaluated as Complex(0, 42) and Complex(0, 3.14),
respectively.
* "42ri" and "3.14ri" are evaluated as Complex(0, 42r) and Complex(0, 3.14r),
respectively.
* def-expr now returns the symbol of its name instead of nil.
=== Core classes updates (outstanding ones only)
* Array
* New methods
* Array#to_h converts an array of key-value pairs into a Hash.
* Binding
* New methods
* Binding#local_variable_get(symbol)
* Binding#local_variable_set(symbol, obj)
* Binding#local_variable_defined?(symbol)
* Enumerable
* New methods
* Enumerable#to_h converts a list of key-value pairs into a Hash.
* Exception
* New methods
* Exception#cause provides the previous exception which has been caught
at where raising the new exception.
* GC
* improvements:
* introduced the generational GC a.k.a RGenGC.
* added environment variables:
* RUBY_GC_HEAP_INIT_SLOTS
* RUBY_GC_HEAP_FREE_SLOTS
* RUBY_GC_HEAP_GROWTH_FACTOR
* RUBY_GC_HEAP_GROWTH_MAX_SLOTS
* RUBY_GC_MALLOC_LIMIT_MAX
* RUBY_GC_MALLOC_LIMIT_GROWTH_FACTOR
* RUBY_GC_OLDMALLOC_LIMIT
* RUBY_GC_OLDMALLOC_LIMIT_MAX
* RUBY_GC_OLDMALLOC_LIMIT_GROWTH_FACTOR
* obsoleted environment variables:
* RUBY_FREE_MIN (Use RUBY_GC_HEAP_FREE_SLOTS instead)
* RUBY_HEAP_MIN_SLOTS (Use RUBY_GC_HEAP_INIT_SLOTS instead)
* Integer
* New methods
* Fixnum#bit_length
* Bignum#bit_length
* Bignum performance improvement
* Use GMP if available.
GMP is used only for several operations:
multiplication, division, radix conversion, GCD
* IO
* extended methods:
* IO#seek supports SEEK_DATA and SEEK_HOLE as whence.
* IO#seek accepts symbols (:CUR, :END, :SET, :DATA, :HOLE) for 2nd argument.
* IO#read_nonblock accepts optional `exception: false` to return symbols
* IO#write_nonblock accepts optional `exception: false` to return symbols
* Kernel
* New methods:
* Kernel#singleton_method
* Module
* New methods:
* Module#using, which activates refinements of the specified module only
in the current class or module definition.
* Module#singleton_class? returns true if the receiver is a singleton class
or false if it is an ordinary class or module.
* extended methods:
* Module#refine is no longer experimental.
* Module#include and Module#prepend are now public methods.
* Mutex
* misc
* Mutex#owned? is no longer experimental.
* Numeric
* extended methods:
* Numeric#step allows the limit argument to be omitted, in which
case an infinite sequence of numbers is generated. Keyword
arguments `to` and `by` are introduced for ease of use.
* Process
* New methods:
* alternative methods to $0/$0=:
* Process.argv0() returns the original value of $0.
* Process.setproctitle() sets the process title without affecting $0.
* Process.clock_gettime
* Process.clock_getres
* String
* New methods:
* String#scrub and String#scrub! verify and fix invalid byte sequence.
If you want to use this function with older Ruby,
consider to use string-scrub.gem.
* Symbol
* All symbols are now frozen.
* pack/unpack (Array/String)
* Q! and q! directives for long long type if platform has the type.
* toplevel
* extended methods:
* main.using is no longer experimental. The method activates refinements
in the ancestors of the argument module to support refinement
inheritance by Module#include.
=== Core classes compatibility issues (excluding feature bug fixes)
* Hash
* incompatible changes:
* Hash#reject will return plain Hash object in the future versions, that
is the original object's subclass, instance variables, default value,
and taintedness will be no longer copied, so now warnings are emitted
when called with such Hash.
* IO
* incompatible changes:
* open ignore internal encoding if external encoding is ASCII-8BIT.
* Kernel#eval, Kernel#instance_eval, and Module#module_eval.
* Copies the scope information of the original environment, which means
that private, protected, public, and module_function without arguments
do not affect the environment outside the eval string.
For example, `class Foo; eval "private"; def foo; end; end' doesn't make
Foo#foo private.
* Kernel#untrusted?, untrust, and trust
* These methods are deprecated and their behavior is same as tainted?,
taint, and untaint, respectively. If $VERBOSE is true, they show warnings.
* Module#ancestors
* The ancestors of a singleton class now include singleton classes,
in particular itself.
* Module#define_method and Object#define_singleton_method
* Now they return the symbols of the defined methods, not the methods/procs
themselves.
* Numeric#quo
* Raises TypeError instead of ArgumentError if the receiver doesn't have
to_r method.
* Proc
* Returning from lambda proc now always exits from the Proc, not from the
method where the lambda is created. Returning from non-lambda proc exits
from the method, same as the former behavior.
String
* If invalid: :replace is specified for String#encode, replace
invalid byte sequence even if the destination encoding equals to
the source encoding.
=== Stdlib updates (outstanding ones only)
* CGI::Util
* All class methods modulized.
* Digest
* extended methods:
* Digest::Class.file takes optional arguments for its constructor
* Matrix
* Added Vector#cross_product.
* Net::SMTP
* Added Net::SMTP#rset to implement the RSET command
* objspace
* new method:
* ObjectSpace.trace_object_allocations
* ObjectSpace.trace_object_allocations_start
* ObjectSpace.trace_object_allocations_stop
* ObjectSpace.trace_object_allocations_clear
* ObjectSpace.allocation_sourcefile
* ObjectSpace.allocation_sourceline
* ObjectSpace.allocation_class_path
* ObjectSpace.allocation_method_id
* ObjectSpace.allocation_generation
* ObjectSpace.reachable_objects_from_root
* ObjectSpace.dump
* ObjectSpace.dump_all
* OpenSSL::BN
* extended methods:
* OpenSSL::BN.new allows Fixnum/Bignum argument.
* open-uri
* Support multiple fields with same field name (like Set-Cookie).
* Pathname
* New methods:
* Pathname#write
* Pathname#binwrite
* rake
* Updated to 10.1.0. Major changes include removal of the class namespace,
Rake::DSL to hold the rake DSL methods and removal of support for legacy
rake features.
For a complete list of changes since rake 0.9.6 see:
http://rake.rubyforge.org/doc/release_notes/rake-10_1_0_rdoc.html
http://rake.rubyforge.org/doc/release_notes/rake-10_0_3_rdoc.html
* RbConfig
* New constants:
* RbConfig::SIZEOF is added to provide the size of C types.
* RDoc
* Updated to 4.1.0. Major enhancements include a modified default template
* and accessibility enhancements.
For a list of minor enhancements and bug fixes see:
https://github.com/rdoc/rdoc/blob/v4.1.0.preview.1/History.rdoc
* Resolv
* New methods:
* Resolv::DNS.fetch_resource
* One-shot multicast DNS support
* Support LOC resources
* REXML::Parsers::SAX2Parser
* Fixes wrong number of arguments of entitydecl event. Document of the event
says "an array of the entity declaration" but implementation passes two
or more arguments. It is an implementation bug but it breaks backward
compatibility.
* REXML::Parsers::StreamParser
* Supports "entity" event.
* REXML::Text
* REXML::Text#<< supports method chain like 'text << "XXX" << "YYY"'.
* REXML::Text#<< supports not "raw" mode.
* Rinda::RingServer, Rinda::RingFinger
* Rinda now supports multicast sockets. See Rinda::RingServer and
Rinda::RingFinger for details.
* RubyGems
* Updated to 2.2.0. Notable new features include:
* Gemfile or gem.deps.rb support including Gem.file.lock (experimental)
* Improved, iterative resolver (compared to RubyGems 2.1 and earlier)
* Support for a sharing a GEM_HOME across ruby platforms and versions
For a complete list of enhancements and bug fixes see:
https://github.com/rubygems/rubygems/tree/master/History.txt
* Set
* New methods:
* Set#intersect?
* Set#disjoint?
* Socket
* New methods:
* Socket.getifaddrs
* StringScanner
* extended methods:
* StringScanner#[] supports named captures.
* Syslog::Logger
* Added facility.
* Tempfile
* New methods:
* Tempfile.create
* Timeout
* The exception to terminate the given block can no longer be rescued
inside the block, by default, unless the exception class is given
explicitly.
* TSort
* New methods:
* TSort.tsort
* TSort.tsort_each
* TSort.strongly_connected_components
* TSort.each_strongly_connected_component
* TSort.each_strongly_connected_component_from
* WEBrick
* The body of a response may now be a StringIO or other IO-like that responds
to #readpartial and #read.
* XMLRPC::Client
* New methods:
* XMLRPC::Client#http. It returns Net::HTTP for the client. Normally,
it is not needed. It is useful when you want to change minor HTTP client
options. You can change major HTTP client options by XMLRPC::Client
methods. You should use XMLRPC::Client methods for changing major
HTTP client options instead of XMLRPC::Client#http.
=== Stdlib compatibility issues (excluding feature bug fixes)
* Set
* incompatible changes:
* Set#to_set now returns self instead of generating a copy.
* URI
* incompatible changes:
* URI.decode_www_form follows current WHATWG URL Standard.
It gets encoding argument to specify the character encoding.
It now allows loose percent encoded strings, but denies ;-separator.
* URI.encode_www_form follows current WHATWG URL Standard.
It gets encoding argument to convert before percent encode.
UTF-16 strings aren't converted to UTF-8 before percent encode by default.
* curses
* Removed.
curses is now available as a gem.
See https://rubygems.org/gems/curses for details.
=== Built-in global variables compatibility issues
* $SAFE
* $SAFE=4 is obsolete. If $SAFE is set to 4 or larger, an ArgumentError
is raised.
=== C API updates
* rb_gc_set_params() is deprecated. This is only used in Ruby internal.
* rb_gc_count() added. This returns the number of times GC occurred.
* rb_gc_stat() added. This allows access to specific GC.stat() values from C
without any allocation overhead.
* rb_gc_latest_gc_info() added. This allows access to GC.latest_gc_info().
* rb_postponed_job_register() added. Takes a function callback which is invoked
when the VM is in a consistent state, i.e. to perform work from a C signal
handler.
* rb_profile_frames() added. Provides low-cost access to the current ruby stack
for callstack profiling.
* rb_tracepoint_new() supports new internal events accessible only from C:
* RUBY_INTERNAL_EVENT_NEWOBJ
* RUBY_INTERNAL_EVENT_FREEOBJ
* RUBY_INTERNAL_EVENT_GC_START
* RUBY_INTERNAL_EVENT_GC_END_MARK
* RUBY_INTERNAL_EVENT_GC_END_SWEEP
* Note that you *can not* specify "internal events" with normal events
(such as RUBY_EVENT_CALL, RUBY_EVENT_RETURN) simultaneously.

18060
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373
doc/NEWS-2.1.0 Normal file
Просмотреть файл

@ -0,0 +1,373 @@
# -*- rdoc -*-
= NEWS for Ruby 2.1.0
This document is a list of user visible feature changes made between
releases except for bug fixes.
Note that each entry is kept so brief that no reason behind or
reference information is supplied with. For a full list of changes
with all sufficient information, see the ChangeLog file.
== Changes since the 2.0.0 release
=== Language changes
* Now the default values of keyword arguments can be omitted. Those
"required keyword arguments" need giving explicitly at the call time.
* Added suffixes for integer and float literals: 'r', 'i', and 'ri'.
* "42r" and "3.14r" are evaluated as Rational(42, 1) and 3.14.rationalize,
respectively. But exponential form with 'r' suffix like "6.022e+23r" is
not accepted because it is misleading.
* "42i" and "3.14i" are evaluated as Complex(0, 42) and Complex(0, 3.14),
respectively.
* "42ri" and "3.14ri" are evaluated as Complex(0, 42r) and Complex(0, 3.14r),
respectively.
* def-expr now returns the symbol of its name instead of nil.
=== Core classes updates (outstanding ones only)
* Array
* New methods
* Array#to_h converts an array of key-value pairs into a Hash.
* Binding
* New methods
* Binding#local_variable_get(symbol)
* Binding#local_variable_set(symbol, obj)
* Binding#local_variable_defined?(symbol)
* Enumerable
* New methods
* Enumerable#to_h converts a list of key-value pairs into a Hash.
* Exception
* New methods
* Exception#cause provides the previous exception which has been caught
at where raising the new exception.
* GC
* improvements:
* introduced the generational GC a.k.a RGenGC.
* added environment variables:
* RUBY_GC_HEAP_INIT_SLOTS
* RUBY_GC_HEAP_FREE_SLOTS
* RUBY_GC_HEAP_GROWTH_FACTOR
* RUBY_GC_HEAP_GROWTH_MAX_SLOTS
* RUBY_GC_MALLOC_LIMIT_MAX
* RUBY_GC_MALLOC_LIMIT_GROWTH_FACTOR
* RUBY_GC_OLDMALLOC_LIMIT
* RUBY_GC_OLDMALLOC_LIMIT_MAX
* RUBY_GC_OLDMALLOC_LIMIT_GROWTH_FACTOR
* obsoleted environment variables:
* RUBY_FREE_MIN (Use RUBY_GC_HEAP_FREE_SLOTS instead)
* RUBY_HEAP_MIN_SLOTS (Use RUBY_GC_HEAP_INIT_SLOTS instead)
* Integer
* New methods
* Fixnum#bit_length
* Bignum#bit_length
* Bignum performance improvement
* Use GMP if available.
GMP is used only for several operations:
multiplication, division, radix conversion, GCD
* IO
* extended methods:
* IO#seek supports SEEK_DATA and SEEK_HOLE as whence.
* IO#seek accepts symbols (:CUR, :END, :SET, :DATA, :HOLE) for 2nd argument.
* IO#read_nonblock accepts optional `exception: false` to return symbols
* IO#write_nonblock accepts optional `exception: false` to return symbols
* Kernel
* New methods:
* Kernel#singleton_method
* Module
* New methods:
* Module#using, which activates refinements of the specified module only
in the current class or module definition.
* Module#singleton_class? returns true if the receiver is a singleton class
or false if it is an ordinary class or module.
* extended methods:
* Module#refine is no longer experimental.
* Module#include and Module#prepend are now public methods.
* Mutex
* misc
* Mutex#owned? is no longer experimental.
* Numeric
* extended methods:
* Numeric#step allows the limit argument to be omitted, in which
case an infinite sequence of numbers is generated. Keyword
arguments `to` and `by` are introduced for ease of use.
* Process
* New methods:
* alternative methods to $0/$0=:
* Process.argv0() returns the original value of $0.
* Process.setproctitle() sets the process title without affecting $0.
* Process.clock_gettime
* Process.clock_getres
* String
* New methods:
* String#scrub and String#scrub! verify and fix invalid byte sequence.
If you want to use this function with older Ruby,
consider to use string-scrub.gem.
* Symbol
* All symbols are now frozen.
* pack/unpack (Array/String)
* Q! and q! directives for long long type if platform has the type.
* toplevel
* extended methods:
* main.using is no longer experimental. The method activates refinements
in the ancestors of the argument module to support refinement
inheritance by Module#include.
=== Core classes compatibility issues (excluding feature bug fixes)
* Hash
* incompatible changes:
* Hash#reject will return plain Hash object in the future versions, that
is the original object's subclass, instance variables, default value,
and taintedness will be no longer copied, so now warnings are emitted
when called with such Hash.
* IO
* incompatible changes:
* open ignore internal encoding if external encoding is ASCII-8BIT.
* Kernel#eval, Kernel#instance_eval, and Module#module_eval.
* Copies the scope information of the original environment, which means
that private, protected, public, and module_function without arguments
do not affect the environment outside the eval string.
For example, `class Foo; eval "private"; def foo; end; end' doesn't make
Foo#foo private.
* Kernel#untrusted?, untrust, and trust
* These methods are deprecated and their behavior is same as tainted?,
taint, and untaint, respectively. If $VERBOSE is true, they show warnings.
* Module#ancestors
* The ancestors of a singleton class now include singleton classes,
in particular itself.
* Module#define_method and Object#define_singleton_method
* Now they return the symbols of the defined methods, not the methods/procs
themselves.
* Numeric#quo
* Raises TypeError instead of ArgumentError if the receiver doesn't have
to_r method.
* Proc
* Returning from lambda proc now always exits from the Proc, not from the
method where the lambda is created. Returning from non-lambda proc exits
from the method, same as the former behavior.
String
* If invalid: :replace is specified for String#encode, replace
invalid byte sequence even if the destination encoding equals to
the source encoding.
=== Stdlib updates (outstanding ones only)
* CGI::Util
* All class methods modulized.
* Digest
* extended methods:
* Digest::Class.file takes optional arguments for its constructor
* Matrix
* Added Vector#cross_product.
* Net::SMTP
* Added Net::SMTP#rset to implement the RSET command
* objspace
* new method:
* ObjectSpace.trace_object_allocations
* ObjectSpace.trace_object_allocations_start
* ObjectSpace.trace_object_allocations_stop
* ObjectSpace.trace_object_allocations_clear
* ObjectSpace.allocation_sourcefile
* ObjectSpace.allocation_sourceline
* ObjectSpace.allocation_class_path
* ObjectSpace.allocation_method_id
* ObjectSpace.allocation_generation
* ObjectSpace.reachable_objects_from_root
* ObjectSpace.dump
* ObjectSpace.dump_all
* OpenSSL::BN
* extended methods:
* OpenSSL::BN.new allows Fixnum/Bignum argument.
* open-uri
* Support multiple fields with same field name (like Set-Cookie).
* Pathname
* New methods:
* Pathname#write
* Pathname#binwrite
* rake
* Updated to 10.1.0. Major changes include removal of the class namespace,
Rake::DSL to hold the rake DSL methods and removal of support for legacy
rake features.
For a complete list of changes since rake 0.9.6 see:
http://rake.rubyforge.org/doc/release_notes/rake-10_1_0_rdoc.html
http://rake.rubyforge.org/doc/release_notes/rake-10_0_3_rdoc.html
* RbConfig
* New constants:
* RbConfig::SIZEOF is added to provide the size of C types.
* RDoc
* Updated to 4.1.0. Major enhancements include a modified default template
* and accessibility enhancements.
For a list of minor enhancements and bug fixes see:
https://github.com/rdoc/rdoc/blob/v4.1.0.preview.1/History.rdoc
* Resolv
* New methods:
* Resolv::DNS.fetch_resource
* One-shot multicast DNS support
* Support LOC resources
* REXML::Parsers::SAX2Parser
* Fixes wrong number of arguments of entitydecl event. Document of the event
says "an array of the entity declaration" but implementation passes two
or more arguments. It is an implementation bug but it breaks backward
compatibility.
* REXML::Parsers::StreamParser
* Supports "entity" event.
* REXML::Text
* REXML::Text#<< supports method chain like 'text << "XXX" << "YYY"'.
* REXML::Text#<< supports not "raw" mode.
* Rinda::RingServer, Rinda::RingFinger
* Rinda now supports multicast sockets. See Rinda::RingServer and
Rinda::RingFinger for details.
* RubyGems
* Updated to 2.2.0. Notable new features include:
* Gemfile or gem.deps.rb support including Gem.file.lock (experimental)
* Improved, iterative resolver (compared to RubyGems 2.1 and earlier)
* Support for a sharing a GEM_HOME across ruby platforms and versions
For a complete list of enhancements and bug fixes see:
https://github.com/rubygems/rubygems/tree/master/History.txt
* Set
* New methods:
* Set#intersect?
* Set#disjoint?
* Socket
* New methods:
* Socket.getifaddrs
* StringScanner
* extended methods:
* StringScanner#[] supports named captures.
* Syslog::Logger
* Added facility.
* Tempfile
* New methods:
* Tempfile.create
* Timeout
* The exception to terminate the given block can no longer be rescued
inside the block, by default, unless the exception class is given
explicitly.
* TSort
* New methods:
* TSort.tsort
* TSort.tsort_each
* TSort.strongly_connected_components
* TSort.each_strongly_connected_component
* TSort.each_strongly_connected_component_from
* WEBrick
* The body of a response may now be a StringIO or other IO-like that responds
to #readpartial and #read.
* XMLRPC::Client
* New methods:
* XMLRPC::Client#http. It returns Net::HTTP for the client. Normally,
it is not needed. It is useful when you want to change minor HTTP client
options. You can change major HTTP client options by XMLRPC::Client
methods. You should use XMLRPC::Client methods for changing major
HTTP client options instead of XMLRPC::Client#http.
=== Stdlib compatibility issues (excluding feature bug fixes)
* Set
* incompatible changes:
* Set#to_set now returns self instead of generating a copy.
* URI
* incompatible changes:
* URI.decode_www_form follows current WHATWG URL Standard.
It gets encoding argument to specify the character encoding.
It now allows loose percent encoded strings, but denies ;-separator.
* URI.encode_www_form follows current WHATWG URL Standard.
It gets encoding argument to convert before percent encode.
UTF-16 strings aren't converted to UTF-8 before percent encode by default.
* curses
* Removed.
curses is now available as a gem.
See https://rubygems.org/gems/curses for details.
=== Built-in global variables compatibility issues
* $SAFE
* $SAFE=4 is obsolete. If $SAFE is set to 4 or larger, an ArgumentError
is raised.
=== C API updates
* rb_gc_set_params() is deprecated. This is only used in Ruby internal.
* rb_gc_count() added. This returns the number of times GC occurred.
* rb_gc_stat() added. This allows access to specific GC.stat() values from C
without any allocation overhead.
* rb_gc_latest_gc_info() added. This allows access to GC.latest_gc_info().
* rb_postponed_job_register() added. Takes a function callback which is invoked
when the VM is in a consistent state, i.e. to perform work from a C signal
handler.
* rb_profile_frames() added. Provides low-cost access to the current ruby stack
for callstack profiling.
* rb_tracepoint_new() supports new internal events accessible only from C:
* RUBY_INTERNAL_EVENT_NEWOBJ
* RUBY_INTERNAL_EVENT_FREEOBJ
* RUBY_INTERNAL_EVENT_GC_START
* RUBY_INTERNAL_EVENT_GC_END_MARK
* RUBY_INTERNAL_EVENT_GC_END_SWEEP
* Note that you *can not* specify "internal events" with normal events
(such as RUBY_EVENT_CALL, RUBY_EVENT_RETURN) simultaneously.