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2025-12-17Revert the default size of Enumerator::Producer to infinityAkinori Musha
[Bug #21780]
2025-12-17Revert the override of Enumerator#to_set that performed size checksAkinori Musha
[Bug #21780]
2025-12-13Enumerator.produce accepts an optional `size` keyword argumentAkinori Musha
When not specified, the size is unknown (`nil`). Previously, the size was always `Float::INFINITY` and not specifiable. [Feature #21701]
2025-11-13Add size checks to Range#to_set and Enumerator#to_set [Bug #21654]Akinori Musha
These two class are most common sources of infinite sequences. This change should effectively prevent accidental infinite loops when calling to_set on them. [Bug #21513]
2025-01-07[Bug #21008] Normalize before sum to floatNobuyoshi Nakada
After switching to `Float`-mode when summing `Numeric` objects, normalization for `Float` is still needed. Notes: Merged: https://github.com/ruby/ruby/pull/12522
2024-04-16[Bug #20325] `Enumerator.product.size` is 0 if any size is 0Nobuyoshi Nakada
2024-02-22Skip under_gc_compact_stress on s390x (#10073)Takashi Kokubun
2023-12-24Fix off-by-one error for declarative markingPeter Zhu
The for loops for marking and reference updating declaratively marked TypedData objects did not mark/reference update the very last element. When RGENGC_CHECK_MODE is turned on, this caused the test in Enumerator to fail with: tool/lib/test/unit/testcase.rb:173:in `rescue in run': failed to allocate memory (NoMemoryError)
2023-12-24Fix Enumerator#with_index for GC compactionPeter Zhu
enumerator_block_call was not safe for compaction because the Array backing the argv was not pinned, so it could get moved during compaction which would make argv point to somewhere else. The test crashes when RGENGC_CHECK_MODE is turned on: TestEnumerator#test_with_index_under_gc_compact_stress check_rvalue_consistency: 0x55db0b399450 is not a Ruby object. test/ruby/test_enumerator.rb:133: [BUG] check_rvalue_consistency_force: there is 1 errors. ruby 3.3.0dev (2023-12-23T23:00:27Z master 50bf437341) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0034 p:---- s:0192 e:000187 CFUNC :with_index c:0033 p:---- s:0185 e:000184 CFUNC :each c:0032 p:---- s:0182 e:000181 CFUNC :to_a c:0031 p:0055 s:0178 e:000175 BLOCK test/ruby/test_enumerator.rb:133 c:0030 p:0024 s:0172 e:000171 METHOD tool/lib/envutil.rb:242 c:0029 p:0024 s:0167 e:000166 METHOD tool/lib/envutil.rb:251 c:0028 p:0005 s:0160 e:000159 METHOD test/ruby/test_enumerator.rb:131 ... -- C level backtrace information ------------------------------------------- build/ruby(rb_print_backtrace+0x14) [0x55db0b1deb21] vm_dump.c:820 build/ruby(rb_vm_bugreport) vm_dump.c:1151 build/ruby(bug_report_end+0x0) [0x55db0b3a53a6] error.c:1042 build/ruby(rb_bug_without_die) error.c:1042 build/ruby(die+0x0) [0x55db0afc77c2] error.c:1050 build/ruby(rb_bug) error.c:1052 build/ruby(gc_move+0x0) [0x55db0afbada0] gc.c:1714 build/ruby(check_rvalue_consistency+0xa) [0x55db0afef0c3] gc.c:1729 build/ruby(is_markable_object) gc.c:4769 build/ruby(gc_mark_stack_values) gc.c:6595 build/ruby(rb_gc_mark_vm_stack_values) gc.c:6605 build/ruby(rb_execution_context_mark+0x39) [0x55db0b1d8589] vm.c:3309 build/ruby(thread_mark+0x15) [0x55db0b1a9805] vm.c:3381 build/ruby(gc_mark_stacked_objects+0x6d) [0x55db0aff2c3d] gc.c:7564 build/ruby(gc_mark_stacked_objects_all) gc.c:7602 build/ruby(gc_marks_rest) gc.c:8797 build/ruby(gc_marks+0xd) [0x55db0aff43d5] gc.c:8855 build/ruby(gc_start) gc.c:9608 build/ruby(rb_multi_ractor_p+0x0) [0x55db0aff5463] gc.c:9489 build/ruby(rb_vm_lock_leave) vm_sync.h:92 build/ruby(garbage_collect) gc.c:9491 build/ruby(newobj_slowpath+0xcb) [0x55db0aff57ab] gc.c:2871 build/ruby(newobj_slowpath_wb_protected) gc.c:2895 build/ruby(newobj_of0+0x24) [0x55db0aff59e4] gc.c:2937 build/ruby(newobj_of) gc.c:2947 build/ruby(rb_wb_protected_newobj_of) gc.c:2962 build/ruby(ary_alloc_embed+0x10) [0x55db0b2f3e40] array.c:668 build/ruby(ary_new) array.c:709 build/ruby(rb_ary_tmp_new_from_values) array.c:759 build/ruby(rb_ary_new_from_values) array.c:771 build/ruby(args_copy+0x18) [0x55db0b1bbb88] vm_args.c:158
2023-10-25Fix [Bug #19632]: Disable external iterator for frozen enumerator (#7791)Hiroya Fujinami
* Fix [Bug #19632]: Disable external iterator for frozen enumerator Currently, methods to manipulate an external iterator like `#next` and `#feed` can be called even if a receiver of an enumerator is frozen. However, these methods change the state of an external iterator in an enumerator. Therefore, it seems a BUG to me, and these methods should raise FrozenError if the receiver is frozen. This fixed the following methods to raise FrozenError if the receiver is frozen. - `Enumerator#next` - `Enumerator#next_values` - `Enumerator#peek` - `Enumerator#peek_values` - `Enumerator#feed` - `Enumerator#rewind` * Fix a typo in the document Thanks @Maumagnaguagno.
2023-07-15Fix stack trace for rescued StopIterationMarcelo Pereira
Notes: Merged: https://github.com/ruby/ruby/pull/6201
2022-12-21Make Enumerartor.product return nil when called with a blockAkinori MUSHA
2022-12-21Make product consistently yield an array of N elements instead of N argumentsAkinori MUSHA
Inconsistency pointed out by @mame: ``` >> Enumerator.product([1], [2], [3]).to_a => [[1, 2, 3]] >> Enumerator.product([1], [2]).to_a => [[1, 2]] >> Enumerator.product([1]).to_a => [1] >> Enumerator.product().to_a => [nil] ``` Got fixed as follows: ``` >> Enumerator.product([1], [2], [3]).to_a => [[1, 2, 3]] >> Enumerator.product([1], [2]).to_a => [[1, 2]] >> Enumerator.product([1]).to_a => [[1]] >> Enumerator.product().to_a => [[]] ``` This was due to the nature of the N-argument funcall in Ruby.
2022-12-16Reject keyword arguments given to Enumerator::Product.newAkinori MUSHA
The use of keyword arguments should be reserved for future extension.
2022-07-30Implement Enumerator::Product and Enumerator.product [Feature #18685]Akinori MUSHA
Notes: Merged: https://github.com/ruby/ruby/pull/6197
2021-09-13Use capture_output instead of capture_ioHiroshi SHIBATA
2021-03-06Undef Enumerator::Chain#{feed,next,next_values,peek,peek_values}Jeremy Evans
Previously these methods were defined but raised TypeError, which seems worse. Notes: Merged: https://github.com/ruby/ruby/pull/3811
2021-03-06Make Enumerator#{+,chain} create lazy chain if any included enumerator is lazyJeremy Evans
Implements [Feature #17347] Notes: Merged: https://github.com/ruby/ruby/pull/3811
2021-03-06Fix calling enumerator methods such as with_index on Enumerator::ChainJeremy Evans
This previously raised a TypeError. Wrap the Enumerator::Chain in an Enumerator to work around the problem. Fixes [Bug #17216] Notes: Merged: https://github.com/ruby/ruby/pull/3811
2021-01-02Add Enumerable#compact and Enumerator::Lazy#compactzverok
Notes: Merged: https://github.com/ruby/ruby/pull/3851
2020-12-22Enumerator.new: raise unless block given卜部昌平
Has been deprecated since c73b6bd7ebd01133538c645566944132dbde4d13. [Feature #17116] [ruby-dev:50945] Notes: Merged: https://github.com/ruby/ruby/pull/3968
2020-09-25test/ruby/test_enumerator.rb: check the deprecation warningYusuke Endoh
by explicitly setting `Warning[:deprecated] = true`. I removed "capture_io" at 79063d8cbfb7ce4740774289252a2a20dc9a5dc1, but it printed the warning when `RUBYOPT=-w`. This change makes the warnings enabled explicitly, capture and check the warning.
2020-09-25test/ruby/test_enumerator.rb: remove capture_io that is no longer neededYusuke Endoh
The deprecation warning was disabled, and the code to check the warning was removed at 996af2ce086249e904b2ce95ab2fcd1de7d757be, thus capture_io is no longer needed.
2020-09-25Disable deprecation warning by the default [Feature #16345]Nobuyoshi Nakada
And `-w` option turns it on. Notes: Merged: https://github.com/ruby/ruby/pull/3481
2019-12-03Make Enumerator::Chain#each treat lambdas as lambdaJeremy Evans
Previously, lambdas were converted to procs because of how rb_block_call works. Switch to rb_funcall_with_block, which handles procs as procs and lambdas as lambdas. Fixes [Bug #15613] Notes: Merged: https://github.com/ruby/ruby/pull/2720
2019-09-30Add rb_enumeratorize_with_size_kw and related macrosJeremy Evans
Currently, there is not a way to create a sized enumerator in C with a different set of arguments than provided by Ruby, and correctly handle keyword arguments. This function allows that. The need for this is fairly uncommon, but it occurs at least in Enumerator.produce, which takes arugments from Ruby but calls rb_enumeratorize_with_size with a different set of arguments. Notes: Merged: https://github.com/ruby/ruby/pull/2509
2019-09-12Document and test Enumerator.produceAkinori MUSHA
Co-authored-by: Victor Shepelev <zverok.offline@gmail.com>
2019-06-02Make size on an infinite each_slice enumerator return InfinityJeremy Evans
Fixes [Bug #15889]
2019-05-23Adding Enumerable#filter_mapAlfonso Jiménez
[Feature #15323] Closes: https://github.com/ruby/ruby/pull/2017
2019-03-11Implement Enumerator::Yielder#to_procknu
A Yielder object can now be directly passed to another method as a block argument. ```ruby enum = Enumerator.new { |y| Dir.glob("*.rb") { |file| File.open(file) { |f| f.each_line(&y) } } } ``` git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67211 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-12-24enumerator.c: fix inspect with the last empty hashnobu
[ruby-core:90685] [Bug #15455] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66519 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-11-24Implement Enumerator#+ and Enumerable#chain [Feature #15144]knu
They return an Enumerator::Chain object which is a subclass of Enumerator, which represents a chain of enumerables that works as a single enumerator. ```ruby e = (1..3).chain([4, 5]) e.to_a #=> [1, 2, 3, 4, 5] e = (1..3).each + [4, 5] e.to_a #=> [1, 2, 3, 4, 5] ``` git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65949 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-22Set the size of a new enumerator created by Enumerator#each with arguments ↵knu
to nil When each() takes arguments, it is never safe to assume that the iteration would repeat the same number of times as with each() without any argument. Actually, there is no way to get the exact number, so the size should be set to nil to denote that. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-09-18Tests of Enumerator::Yielder#yield with multiple argumentsnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-08-06enumerator.c: Introduce Enumerator::ArithmeticSequencemrkn
This commit introduces new core class Enumerator::ArithmeticSequence. Enumerator::ArithmeticSequence is a subclass of Enumerator, and represents a number generator of an arithmetic sequence. After this commit, Numeric#step and Range#step without blocks returned an ArithmeticSequence object instead of an Enumerator. This class introduces the following incompatibilities: - You can create a zero-step ArithmeticSequence, and its size is not ArgumentError, but Infinity. - You can create a negative-step ArithmeticSequence from a range. [ruby-core:82816] [Feature #13904] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64205 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-13test_enumerator.rb: duplicate assertionsnobu
* test/ruby/test_enumerator.rb (test_uniq): remove assertions which ared duplicate of lazy enumerator tests in test_lazy_enumerator.rb. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62735 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-13Bug Fix Enumerator::Lazy#uniq state for multiple callnobu
* enumerator.c (lazy_uniq_i): create new hash for each calls. [Fix GH-1820] Currently 2.5.0-preview1 :001 > arr = (0..100).lazy.uniq{|i| i % 10} => #<Enumerator::Lazy: #<Enumerator::Lazy: 0..100>:uniq> 2.5.0-preview1 :002 > arr.to_a => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] 2.5.0-preview1 :003 > arr.to_a => [] Expected arr.to_a to always return same output From: Anmol Chopra <anmolchopra@rocketbox.in> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-25Add a new #filter alias for #selecteregon
* In Enumerable, Enumerator::Lazy, Array, Hash and Set [Feature #13784] [ruby-core:82285] * Share specs for the various #select#select! methods and reuse them for #filter/#filter!. * Add corresponding filter tests for select tests. * Update NEWS. [Fix GH-1824] From: Alexander Patrick <adp90@case.edu> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-12-12Add FrozenError as a subclass of RuntimeErrorshyouhei
FrozenError will be used instead of RuntimeError for exceptions raised when there is an attempt to modify a frozen object. The reason for this change is to differentiate exceptions related to frozen objects from generic exceptions such as those generated by Kernel#raise without an exception class. From: Jeremy Evans <code@jeremyevans.net> Signed-off-by: Urabe Shyouhei <shyouhei@ruby-lang.org> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-11-05enum.c: check argument firstnobu
* enum.c (enum_cycle_size): check an argument before the size of the receiver, if it is given. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60668 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-11-05Fix size on Enumerable#cycle when the size is 0 [Bug #14082].marcandre
Patch by Kenichi Kamiya git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60666 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-20enumerator.c: Enumerator::Lazy#uniqnobu
* enumerator.c (lazy_uniq): new method Enumerator::Lazy#uniq. [Feature #11090] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55710 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-02-19test/ruby: suppress parser warningsnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-16Add frozen_string_literal: false for all filesnaruse
When you change this to true, you may need to add more tests. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-10-22Kernel#loop returns the result value of a finished iteratorknu
* vm_eval.c (rb_f_loop): When a loop is stopped by a StopIteration exception, return what the enumerator has returned instead of nil. [ruby-core:71133] [Feature #11498] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-09-28preserve encodings in error messagesnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-11-13* test/lib/envutil.rb: Moved from test/ruby/.akr
* test/lib/find_executable.rb: Ditto. * test/lib/memory_status.rb: Ditto. * test/lib/test/unit.rb: require envutil. * test/: Don't require envutil in test files. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-03-10merge GH-558nobu
* test/ruby/test_enumerator.rb (test_iterators): fix test for hash iterators. [Fixes GH-558] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45303 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-12-14Additional test coverage to Enumerator#peek.nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-12-07hash.c: rb_hash_reject without dupnobu
* hash.c (rb_hash_reject): copy unrejected elements only to new hash, so that the change on the original receiver can affect. [ruby-core:58914] [Bug #9223] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44047 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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