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| -rw-r--r-- | NEWS | 594 |
1 files changed, 300 insertions, 294 deletions
@@ -11,217 +11,300 @@ with all sufficient information, see the ChangeLog file. == Changes since the 1.9.3 release -=== C API updates -* NUM2SHORT() and NUM2USHORT() added. They are similar to NUM2INT, but short. -* rb_newobj_of() and NEWOBJ_OF() added. They create a new object of a given class. +=== Language changes + +* Added keyword arguments. + +* Added %i and %I for symbol list creation (similar to %w and %W). + +* Default source encoding is changed to UTF-8. (was US-ASCII) + +* No warning for unused variables starting with '_' + +=== Core classes updates (outstanding ones only) + +* ARGF + * added method: + * added ARGF#codepoints and ARGF#each_codepoint, like the corresponding + methods for IO. -=== Library updates (outstanding ones only) - -* builtin classes - * ARGF - * added method: - * added ARGF#codepoints and ARGF#each_codepoint, like the corresponding - methods for IO. - - * Array - * added method: - * added Array#bsearch for binary search. - * incompatible changes: - * random parameter of Array#shuffle! and Array#sample now - will be called with one argument, maximum value. - * when given Range arguments, Array#values_at now returns nil for each - value that is out-of-range. - - * Enumerable - * added method: - * added Enumerable#lazy method for lazy enumeration. - - * Enumerator - * added method: - * added Enumerator#size for lazy size evaluation. - * extended method: - * Enumerator.new accept an argument for lazy size evaluation. - * new class Enumerator::Lazy for lazy enumeration - - * ENV - * aliased method: - * ENV.to_h is a new alias for ENV.to_hash - - * Fiber - * incompatible changes: - * Fiber#resume cannot resume a fiber which invokes "Fiber#transfer". - - * File - * extended method: - * File.fnmatch? now expands braces in the pattern if - File::FNM_EXTGLOB option is given. - - * GC - * improvements: - * introduced the bitmap marking which suppresses to copy a memory page - with Copy-on-Write. - * introduced the non-recursive marking which avoids unexpected stack overflow. - - * GC::Profiler - * added method: - * added GC::Profiler.raw_data which returns raw profile data for GC. - - * Hash - * added method: - * added Hash#to_h as explicit conversion method, like Array#to_a. - * extended method: - * Hash#default_proc= can be passed nil to clear the default proc. - - * IO - * deprecated methods: - * IO#lines, #bytes, #chars and #codepoints are deprecated. - - * Kernel - * added method: - * added Kernel#Hash conversion method like Array() or Float(). - * added Kernel#__dir__ which returns the absolute path of the - directory of the file from which this method is called. - * added Kernel#caller_locations which returns an array of - frame information objects. - * extended method: - * Kernel#warn accepts multiple args in like puts. - * Kernel#caller accepts second optional argument `n' which specify - required caller size. - * Kernel#to_enum and enum_for accept a block for lazy size evaluation. - * incompatible changes: - * system() and exec() closes non-standard file descriptors - (The default of :close_others option is changed to true by default.) - * respond_to? against a protected method now returns false unless - the second argument is true. - * __callee__ has returned to the original behavior, and now - returns the called name but not the original name in an - aliased method. - * Kernel#inspect does not call #to_s anymore - (it used to call redefined #to_s). - - * LoadError - * added method: - * added LoadError#path method to return the file name that could not be - loaded. - - * Module - * added method: - * added Module#prepend which is similar to Module#include, - however a method in the prepended module overrides the - corresponding method in the prepending module. - * added Module.prepended and Module.prepend_features, similar - to included and append_features. - * added Module#refine, which extends a class or module locally. - [experimental] - * extended method: - * Module#define_method accepts a UnboundMethod from a Module. - * Module#const_get accepts a qualified constant string, e.g. - Object.const_get("Foo::Bar::Baz") - - * Mutex - * added method: - * added Mutex#owned? which returns the mutex is held by current - thread or not. [experimental] - * incompatible changes: - * Mutex#lock, Mutex#unlock, Mutex#try_lock, Mutex#synchronize - and Mutex#sleep are no longer allowed to be used from trap handler - and raise a ThreadError in such case. - * Mutex#sleep may spurious wakeup. Check after wakeup. - - * NilClass - * added method: - * added nil.to_h which returns {} - - * ObjectSpace::WeakMap - * new low level class to hold weak references to objects. - - * Proc - * incompatible change: - * removed Proc#== and #eql? so two procs are == only when they are - the same object. - - * Process - * added method: - * added getsid for getting session id (unix only). - - * Range - * added method: - * added Range#size for lazy size evaluation. - * added Range#bsearch for binary search. - - * RubyVM (MRI specific) - * added RubyVM::InstructionSequence.of to get the instruction sequence - from a method or a block. - * added RubyVM::InstructionSequence#path, #absolute_path, #label, - #base_label and #first_lineno to retrieve information from where - the instruction sequence was defined. - * added Environment variables to specify stack usage: - * RUBY_THREAD_VM_STACK_SIZE: vm stack size used at thread creation. - default: 128KB (32bit CPU) or 256KB (64bit CPU). - * RUBY_THREAD_MACHINE_STACK_SIZE: machine stack size used at thread - creation. default: 512KB or 1024KB. - * RUBY_FIBER_VM_STACK_SIZE: vm stack size used at fiber creation. - default: 64KB or 128KB. - * RUBY_FIBER_MACHINE_STACK_SIZE: machine stack size used at fiber - creation. default: 256KB or 256KB. - These variables are checked only at launched time. - * added constant DEFAULT_PARAMS to get above default parameters. - - * Signal - * added method: - * added Signal.signame which returns signal name - - * incompatible changes: - * Signal.trap raises ArgumentError when :SEGV, :BUS, :ILL, :FPE, :VTALRM - are specified. - - * String - * added method: - * added String#b returning a copied string whose encoding is ASCII-8BIT. - * change return value: - * String#lines now returns an array instead of an enumerator. - * String#chars now returns an array instead of an enumerator. - * String#codepoints now returns an array instead of an enumerator. - * String#bytes now returns an array instead of an enumerator. - - * Struct - * added method: - * added Struct#to_h returning values with keys corresponding to the - instance variable names. - - * Thread - * added method: - * added Thread#thread_variable_get for getting thread local variables - (these are different than Fiber local variables). - * added Thread#thread_variable_set for setting thread local variables. - * added Thread#thread_variables for getting a list of the thread local - variable keys. - * added Thread#thread_variable? for testing to see if a particular thread - variable has been set. - * added Thread.handle_interrupt as well as instance and singleton methods - pending_interrupt? for asynchronous handling of exceptions - * added Thread#backtrace_locations which returns similar information of - Kernel#caller_locations. - * new class Thread::Backtrace::Location to hold backtrace location - information. These are returned by Thread#backtrace_locations and +* Array + * added method: + * added Array#bsearch for binary search. + * incompatible changes: + * random parameter of Array#shuffle! and Array#sample now + will be called with one argument, maximum value. + * when given Range arguments, Array#values_at now returns nil for each + value that is out-of-range. + +* Enumerable + * added method: + * added Enumerable#lazy method for lazy enumeration. + +* Enumerator + * added method: + * added Enumerator#size for lazy size evaluation. + * extended method: + * Enumerator.new accept an argument for lazy size evaluation. + * new class Enumerator::Lazy for lazy enumeration + +* ENV + * aliased method: + * ENV.to_h is a new alias for ENV.to_hash + +* Fiber + * incompatible changes: + * Fiber#resume cannot resume a fiber which invokes "Fiber#transfer". + +* File + * extended method: + * File.fnmatch? now expands braces in the pattern if + File::FNM_EXTGLOB option is given. + +* GC + * improvements: + * introduced the bitmap marking which suppresses to copy a memory page + with Copy-on-Write. + * introduced the non-recursive marking which avoids unexpected stack overflow. + +* GC::Profiler + * added method: + * added GC::Profiler.raw_data which returns raw profile data for GC. + +* Hash + * added method: + * added Hash#to_h as explicit conversion method, like Array#to_a. + * extended method: + * Hash#default_proc= can be passed nil to clear the default proc. + +* IO + * deprecated methods: + * IO#lines, #bytes, #chars and #codepoints are deprecated. + +* Kernel + * added method: + * added Kernel#Hash conversion method like Array() or Float(). + * added Kernel#__dir__ which returns the absolute path of the + directory of the file from which this method is called. + * added Kernel#caller_locations which returns an array of + frame information objects. + * extended method: + * Kernel#warn accepts multiple args in like puts. + * Kernel#caller accepts second optional argument `n' which specify + required caller size. + * Kernel#to_enum and enum_for accept a block for lazy size evaluation. + * incompatible changes: + * system() and exec() closes non-standard file descriptors + (The default of :close_others option is changed to true by default.) + * respond_to? against a protected method now returns false unless + the second argument is true. + * __callee__ has returned to the original behavior, and now + returns the called name but not the original name in an + aliased method. + * Kernel#inspect does not call #to_s anymore + (it used to call redefined #to_s). + +* LoadError + * added method: + * added LoadError#path method to return the file name that could not be + loaded. + +* Module + * added method: + * added Module#prepend which is similar to Module#include, + however a method in the prepended module overrides the + corresponding method in the prepending module. + * added Module.prepended and Module.prepend_features, similar + to included and append_features. + * added Module#refine, which extends a class or module locally. + [experimental] + * extended method: + * Module#define_method accepts a UnboundMethod from a Module. + * Module#const_get accepts a qualified constant string, e.g. + Object.const_get("Foo::Bar::Baz") + +* Mutex + * added method: + * added Mutex#owned? which returns the mutex is held by current + thread or not. [experimental] + * incompatible changes: + * Mutex#lock, Mutex#unlock, Mutex#try_lock, Mutex#synchronize + and Mutex#sleep are no longer allowed to be used from trap handler + and raise a ThreadError in such case. + * Mutex#sleep may spurious wakeup. Check after wakeup. + +* NilClass + * added method: + * added nil.to_h which returns {} + +* ObjectSpace::WeakMap + * new low level class to hold weak references to objects. + +* Proc + * incompatible change: + * removed Proc#== and #eql? so two procs are == only when they are + the same object. + +* Process + * added method: + * added getsid for getting session id (unix only). + +* Range + * added method: + * added Range#size for lazy size evaluation. + * added Range#bsearch for binary search. + +* RubyVM (MRI specific) + * added RubyVM::InstructionSequence.of to get the instruction sequence + from a method or a block. + * added RubyVM::InstructionSequence#path, #absolute_path, #label, + #base_label and #first_lineno to retrieve information from where + the instruction sequence was defined. + * added Environment variables to specify stack usage: + * RUBY_THREAD_VM_STACK_SIZE: vm stack size used at thread creation. + default: 128KB (32bit CPU) or 256KB (64bit CPU). + * RUBY_THREAD_MACHINE_STACK_SIZE: machine stack size used at thread + creation. default: 512KB or 1024KB. + * RUBY_FIBER_VM_STACK_SIZE: vm stack size used at fiber creation. + default: 64KB or 128KB. + * RUBY_FIBER_MACHINE_STACK_SIZE: machine stack size used at fiber + creation. default: 256KB or 256KB. + These variables are checked only at launched time. + * added constant DEFAULT_PARAMS to get above default parameters. + +* Signal + * added method: + * added Signal.signame which returns signal name + + * incompatible changes: + * Signal.trap raises ArgumentError when :SEGV, :BUS, :ILL, :FPE, :VTALRM + are specified. + +* String + * added method: + * added String#b returning a copied string whose encoding is ASCII-8BIT. + * change return value: + * String#lines now returns an array instead of an enumerator. + * String#chars now returns an array instead of an enumerator. + * String#codepoints now returns an array instead of an enumerator. + * String#bytes now returns an array instead of an enumerator. + +* Struct + * added method: + * added Struct#to_h returning values with keys corresponding to the + instance variable names. + +* Thread + * added method: + * added Thread#thread_variable_get for getting thread local variables + (these are different than Fiber local variables). + * added Thread#thread_variable_set for setting thread local variables. + * added Thread#thread_variables for getting a list of the thread local + variable keys. + * added Thread#thread_variable? for testing to see if a particular thread + variable has been set. + * added Thread.handle_interrupt as well as instance and singleton methods + pending_interrupt? for asynchronous handling of exceptions + * added Thread#backtrace_locations which returns similar information of Kernel#caller_locations. - * incompatible changes: - * Thread#join and Thread#value now raises a ThreadError if target thread - is the current or main thread. + * new class Thread::Backtrace::Location to hold backtrace location + information. These are returned by Thread#backtrace_locations and + Kernel#caller_locations. + * incompatible changes: + * Thread#join and Thread#value now raises a ThreadError if target thread + is the current or main thread. + +* Time + * change return value: + * Time#to_s now returns US-ASCII encoding instead of BINARY. + +* TracePoint + * new class. This class is replacement of set_trace_func. + Easy to use and efficient implementation. + +* toplevel + * added method: + * added main.define_method which defines a global function. + * added main.using, which imports refinements into the current file or + eval string. [experimental] + +=== Core classes compatibility issues (excluding feature bug fixes) + +* Array#values_at + + See above. + +* String#lines +* String#chars +* String#codepoints +* String#bytes + + These methods no longer return an Enumerator, although passing a + block is still supported for backwards compatibility. + + Code like str.lines.with_index(1) { |line, lineno| ... } no longer + works because str.lines returns an array. Replace lines with + each_line in such cases. + +* IO#lines +* IO#chars +* IO#codepoints +* IO#bytes +* ARGF#lines +* ARGF#chars +* ARGF#bytes +* StringIO#lines +* StringIO#chars +* StringIO#codepoints +* StringIO#bytes +* Zlib::GzipReader#lines +* Zlib::GzipReader#bytes + + These methods are deprecated in favor of each_line, each_byte, + each_char and each_codepoint. + +* Proc#== +* Proc#eql? - * Time - * change return value: - * Time#to_s now returns US-ASCII encoding instead of BINARY. + These methods were removed. Two procs are == only when they are + the same object. - * TracePoint - * new class. This class is replacement of set_trace_func. - Easy to use and efficient implementation. +* Fixnum +* Bignum +* Float - * toplevel - * added method: - * added main.define_method which defines a global function. - * added main.using, which imports refinements into the current file or - eval string. [experimental] + Fixnums, Bignums and Floats are frozen. + +* Signal.trap + + See above. + +* Merge Onigmo. + https://github.com/k-takata/Onigmo + +* The :close_others option is true by default for system() and exec(). + Also, the close-on-exec flag is set by default for all new file descriptors. + This means file descriptors doesn't inherit to spawned process unless + explicitly requested such as system(..., fd=>fd). + +* Kernel#respond_to? against a protected method now returns false + unless the second argument is true. + +* Kernel#respond_to_missing? +* Kernel#initialize_clone +* Kernel#initialize_dup + + These methods are now private. + +* Thread#join, Thread#value + + See above. + +* Mutex#lock, Mutex#unlock, Mutex#try_lock, Mutex#synchronize and Mutex#sleep + + See above. + +=== Stdlib updates (outstanding ones only) * cgi * Add HTML5 tag maker. @@ -395,9 +478,9 @@ with all sufficient information, see the ChangeLog file. https://github.com/rubygems/rubygems/blob/master/History.txt * shellwords - * Shellwords#shellescape() now stringifies the given object using to_s. - * Shellwords#shelljoin() accepts non-string objects in the given - array, each of which is stringified using to_s. + * Shellwords#shellescape now stringifies the given object using to_s. + * Shellwords#shelljoin accepts non-string objects in the given + array, each of which is stringified using to_s. * stringio * deprecated methods: @@ -431,95 +514,18 @@ with all sufficient information, see the ChangeLog file. * deprecated methods: * Zlib::GzipReader#lines and #bytes are deprecated. -=== Language changes - - * Added keyword arguments. - - * Added %i and %I for symbol list creation (similar to %w and %W). - - * Default source encoding is changed to UTF-8. (was US-ASCII) - - * No warning for unused variables starting with '_' - -=== Compatibility issues (excluding feature bug fixes) - - * Array#values_at - - See above. +=== Stdlib compatibility issues (excluding feature bug fixes) - * String#lines - * String#chars - * String#codepoints - * String#bytes +* OpenStruct new methods can conflict with custom attributes named + "each_pair", "eql?", "hash" or "to_h". - These methods no longer return an Enumerator, although passing a - block is still supported for backwards compatibility. +* Dir.mktmpdir in lib/tmpdir.rb - Code like str.lines.with_index(1) { |line, lineno| ... } no longer - works because str.lines returns an array. Replace lines with - each_line in such cases. + See above. - * IO#lines - * IO#chars - * IO#codepoints - * IO#bytes - * ARGF#lines - * ARGF#chars - * ARGF#bytes - * StringIO#lines - * StringIO#chars - * StringIO#codepoints - * StringIO#bytes - * Zlib::GzipReader#lines - * Zlib::GzipReader#bytes - - These methods are deprecated in favor of each_line, each_byte, - each_char and each_codepoint. - - * Proc#== - * Proc#eql? - - These methods were removed. Two procs are == only when they are - the same object. - - * Fixnum - * Bignum - * Float - - Fixnums, Bignums and Floats are frozen. - - * Signal.trap - - See above. - - * Merge Onigmo. - https://github.com/k-takata/Onigmo - - * The :close_others option is true by default for system() and exec(). - Also, the close-on-exec flag is set by default for all new file descriptors. - This means file descriptors doesn't inherit to spawned process unless - explicitly requested such as system(..., fd=>fd). - - * Kernel#respond_to? against a protected method now returns false - unless the second argument is true. - - * Kernel#respond_to_missing? - * Kernel#initialize_clone - * Kernel#initialize_dup - - These methods are now private. - - * Dir.mktmpdir in lib/tmpdir.rb - - See above. - - * OpenStruct new methods can conflict with custom attributes named - "each_pair", "eql?", "hash" or "to_h". - - * Thread#join, Thread#value +=== C API updates - See above. +* NUM2SHORT() and NUM2USHORT() added. They are similar to NUM2INT, but short. - * Mutex#lock, Mutex#unlock, Mutex#try_lock, Mutex#synchronize and Mutex#sleep +* rb_newobj_of() and NEWOBJ_OF() added. They create a new object of a given class. - See above. |