Table of Contents - Ruby 2.5.0

Pages

grammar.en
- Racc Grammar File Reference
- Global Structure
- Class Block and User Code Block
- Comments
- Class Block
- Grammar Block
- Operator Precedence
- expect
- Declaring Tokens
- Options
- Converting Token Symbol
- Start Rule
- User Code Block
test.ja
contributing
- Contributing to Ruby
- How To Report
- Reporting to downstream distributions
- Platform Maintainers
- Reporting Security Issues
- Reporting Other Issues
- Resolve Existing Issues
- How To Request Features
- Slideshow
- Backport Requests
- Branches
- Running tests
- Contributing Documentation
- Contributing A Patch
- Deciding what to patch
- Coding style
- ChangeLog
contributors
- Contributors to Ruby
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z
dtrace_probes
- DTrace Probes
- Probes List
- Stability
- Declared probes
extension.ja
- Rubyの拡張ライブラリの作り方
- 基礎知識
- データタイプ
- VALUEのデータタイプをチェックする
- VALUEをCのデータに変換する
- CのデータをVALUEに変換する
- Rubyのデータを操作する
- 文字列に対する関数
- 配列に対する関数
- Rubyの機能を使う
- Rubyに機能を追加する
- クラス/モジュール定義
- メソッド/特異メソッド定義
- 定数定義
- Rubyの機能をCから呼び出す
- Rubyのプログラムをevalする
- IDまたはシンボル
- CからRubyのメソッドを呼び出す
- 変数/定数を参照/更新する
- RubyとCとの情報共有
- Cから参照できるRubyの定数
- CとRubyで共有される大域変数
- CのデータをRubyオブジェクトにする
- 構造体からオブジェクトへ
- オブジェクトから構造体へ
- 例: dbmの拡張ライブラリの作成
- ディレクトリを作る
- 設計する
- Cコードを書く
- extconf.rbを用意する
- dependを用意する
- Makefileを生成する
- makeする
- デバッグ
- できあがり
- Appendix A. Rubyのソースコードの分類
- Ruby言語のコア
- Rubyの構文解析器
- Rubyの評価器 (通称YARV)
- 正規表現エンジン (鬼車)
- ユーティリティ関数
- Rubyコマンドの実装
- クラスライブラリ
- 多言語化
- gorubyコマンドの実装
- Appendix B. 拡張用関数リファレンス
- 型
- 変数・定数
- Cデータのカプセル化
- 型チェック
- 型変換
- クラス/モジュール定義
- 大域変数定義
- 定数
- メソッド定義
- Rubyメソッド呼び出し
- インスタンス変数
- 制御構造
- 例外・エラー
- Rubyの初期化・実行
- インタプリタのイベントのフック
- メモリ使用量
- 互換性のためのマクロ
- Appendix C. extconf.rbで使える関数たち
- Appendix D. 世代別GC
extension
- Creating Extension Libraries for Ruby
- Basic Knowledge
- Data Types
- Check Data Type of the VALUE
- Convert VALUE into C Data
- Convert C Data into VALUE
- Manipulating Ruby Data
- String Functions
- Array Functions
- Extending Ruby with C
- Adding New Features to Ruby
- Class and Module Definition
- Method and Singleton Method Definition
- Constant Definition
- Use Ruby Features from C
- Evaluate Ruby Programs in a String
- ID or Symbol
- Invoke Ruby Method from C
- Accessing the Variables and Constants
- Information Sharing Between Ruby and C
- Ruby Constants That Can Be Accessed From C
- Global Variables Shared Between C and Ruby
- Encapsulate C Data into a Ruby Object
- C struct to Ruby object
- Ruby object to C struct
- Example - Creating the dbm Extension
- Make the Directory
- Design the Library
- Write the C Code
- Prepare extconf.rb
- Prepare Depend (Optional)
- Generate Makefile
- Run make
- Debug
- Done! Now You Have the Extension Library
- Appendix A. Ruby Source Files Overview
- Ruby Language Core
- Ruby Syntax Parser
- Ruby Evaluator (a.k.a. YARV)
- Regular Expression Engine (Oniguruma)
- Utility Functions
- Ruby Interpreter Implementation
- Class Library
- Multilingualization
- goruby Interpreter Implementation
- Appendix B. Ruby Extension API Reference
- Types
- Variables and Constants
- C Pointer Wrapping
- Checking Data Types
- Data Type Conversion
- Defining Classes and Modules
- Defining Global Variables
- Constant Definition
- Method Definition
- Invoking Ruby method
- Instance Variables
- Control Structure
- Exceptions and Errors
- Threading
- Input/Output (IO) on a single file descriptor
- I/O Multiplexing
- Initialize and Start the Interpreter
- Hooks for the Interpreter Events
- Memory usage
- Macros for Compatibility
- Appendix C. Functions available for use in extconf.rb
- Appendix D. Generational GC
- Incompatibility
- Write barriers
- Don't touch pointers directly
- Consider whether to insert write barriers
- Combine with built-in types
- Insert write barriers
- Appendix E. RB_GC_GUARD to protect from premature GC
globals
- Pre-defined variables
- Pre-defined global constants
keywords
- Keywords
maintainers
- Maintainers
- Module Maintainers
- Language core features including security
- Evaluator
- Core classes
- Documentation
- Standard Library Maintainers
- Libraries
- Extensions
- Default gems Maintainers
- Libraries
- Extensions
- Bundled gems upstream repositories
marshal
- Marshal Format
- Stream Format
- true, false, nil
- Fixnum and long
- Symbols and Byte Sequence
- Object References
- Instance Variables
- Extended
- Array
- Bignum
- Class and Module
- Data
- Float
- Hash and Hash with Default Value
- Module and Old Module
- Object
- Regular Expression
- String
- Struct
- User Class
- User Defined
- User Marshal
regexp
- =~ and Regexp#match
- =~ operator
- Regexp#match method
- Metacharacters and Escapes
- Character Classes
- Repetition
- Capturing
- Grouping
- Atomic Grouping
- Subexpression Calls
- Alternation
- Character Properties
- Anchors
- Options
- Free-Spacing Mode and Comments
- Encoding
- Special global variables
- Performance
security
- Ruby Security
- $SAFE
- Marshal.load
- YAML
- Symbols
- Regular expressions
- eval
- send
- DRb
standard_library
- Ruby Standard Library
- Libraries
- Extensions
- Default gems
- Libraries
- Extensions
- Bundled gems
- Libraries
syntax
- Ruby Syntax
assignment
- Assignment
- Local Variable Names
- Local Variable Scope
- Local Variables and Methods
- Instance Variables
- Class Variables
- Global Variables
- Assignment Methods
- Abbreviated Assignment
- Implicit Array Assignment
- Multiple Assignment
- Array Decomposition
calling_methods
- Calling Methods
- Receiver
- Arguments
- Positional Arguments
- Default Positional Arguments
- Keyword Arguments
- Block Argument
- Block Local Arguments
- Array to Arguments Conversion
- Hash to Keyword Arguments Conversion
- Proc to Block Conversion
- Method Lookup
control_expressions
- Control Expressions
- if Expression
- Ternary if
- unless Expression
- Modifier if and unless
- case Expression
- while Loop
- until Loop
- for Loop
- Modifier while and until
- break Statement
- next Statement
- redo Statement
- Flip-Flop
exceptions
- Exception Handling
literals
- Literals
- Booleans and nil
- Numbers
- Strings
- Here Documents
- Symbols
- Arrays
- Hashes
- Ranges
- Regular Expressions
- Procs
- Percent Strings
methods
- Methods
- Method Names
- Return Values
- Scope
- Overriding
- Arguments
- Default Values
- Array Decomposition
- Array/Hash Argument
- Keyword Arguments
- Block Argument
- Exception Handling
miscellaneous
- Miscellaneous Syntax
- Ending an Expression
- Indentation
- alias
- undef
- defined?
- BEGIN and END
modules_and_classes
- Modules
- Module Definition
- Nesting
- Scope
- self
- Constants
- Methods
- Visibility
- alias and undef
- Classes
- Defining a class
- Inheritance
- Singleton Classes
precedence
- Precedence
refinements
- Refinements
- Scope
- Method Lookup
- super
- Indirect Method Calls
- Refinement inheritance by Module#include
- Further Reading
README.ja
- サンプルスクリプト
README
- Sample scripts

Classes and Modules

Methods

::=== — SystemCallError
::DEBUG — Thread
::DEBUG= — Thread
::[] — Array
::[] — Dir
::[] — Hash
::[] — ENV
::[]= — ENV
::_id2ref — ObjectSpace
::abort — Process
::abort_on_exception — Thread
::abort_on_exception= — Thread
::absolute_path — File
::acos — Math
::acosh — Math
::add_stress_to_class — GC
::aliases — Encoding
::all_symbols — Symbol
::argv0 — Process
::asciicompat_encoding — Encoding::Converter
::asin — Math
::asinh — Math
::assoc — ENV
::at — Time
::atan — Math
::atan2 — Math
::atanh — Math
::atime — File
::basename — File
::binread — IO
::binwrite — IO
::birthtime — File
::blockdev? — File
::cbrt — Math
::change_privilege — Process::UID
::change_privilege — Process::GID
::chardev? — File
::chdir — Dir
::children — Dir
::chmod — File
::chown — File
::chroot — Dir
::clear — ENV
::clear — GC::Profiler
::clock_getres — Process
::clock_gettime — Process
::compatible? — Encoding
::compile — RubyVM::InstructionSequence
::compile — Regexp
::compile_file — RubyVM::InstructionSequence
::compile_option — RubyVM::InstructionSequence
::compile_option= — RubyVM::InstructionSequence
::constants — Module
::copy_stream — IO
::cos — Math
::cosh — Math
::count — GC
::count_objects — ObjectSpace
::ctime — File
::current — Fiber
::current — Thread
::daemon — Process
::default_external — Encoding
::default_external= — Encoding
::default_internal — Encoding
::default_internal= — Encoding
::define_finalizer — ObjectSpace
::delete — Dir
::delete — File
::delete — ENV
::delete_if — ENV
::detach — Process
::directory? — File
::dirname — File
::disable — GC
::disable — GC::Profiler
::disasm — RubyVM::InstructionSequence
::disassemble — RubyVM::InstructionSequence
::dump — Marshal
::each — ENV
::each_child — Dir
::each_key — ENV
::each_object — ObjectSpace
::each_pair — ENV
::each_value — ENV
::egid — Process
::egid= — Process
::eid — Process::UID
::eid — Process::GID
::empty? — Dir
::empty? — File
::empty? — ENV
::enable — GC
::enable — GC::Profiler
::enabled? — GC::Profiler
::entries — Dir
::erf — Math
::erfc — Math
::escape — Regexp
::euid — Process
::euid= — Process
::exception — Exception
::exclusive — Thread
::exec — Process
::executable? — File
::executable_real? — File
::exist? — Dir
::exist? — File
::exists? — Dir
::exists? — File
::exit — Thread
::exit — Process
::exit! — Process
::exp — Math
::expand_path — File
::extname — File
::fetch — ENV
::file? — File
::find — Encoding
::fnmatch — File
::fnmatch? — File
::for_fd — IO
::foreach — Dir
::foreach — IO
::fork — Thread
::fork — Process
::frexp — Math
::from_name — Process::UID
::from_name — Process::GID
::ftype — File
::gamma — Math
::garbage_collect — ObjectSpace
::getegid — Process::Sys
::geteuid — Process::Sys
::getgid — Process::Sys
::getpgid — Process
::getpgrp — Process
::getpriority — Process
::getrlimit — Process
::getsid — Process
::getuid — Process::Sys
::getwd — Dir
::gid — Process
::gid= — Process
::glob — Dir
::gm — Time
::grant_privilege — Process::UID
::grant_privilege — Process::GID
::groups — Process
::groups= — Process
::grpowned? — File
::handle_interrupt — Thread
::has_key? — ENV
::has_value? — ENV
::home — Dir
::hypot — Math
::identical? — File
::include? — ENV
::index — ENV
::initgroups — Process
::inspect — ENV
::invert — ENV
::issetugid — Process::Sys
::join — File
::keep_if — ENV
::key — ENV
::key? — ENV
::keys — ENV
::kill — Thread
::kill — Process
::last_match — Regexp
::last_status — Process
::latest_gc_info — GC
::lchmod — File
::lchown — File
::ldexp — Math
::length — ENV
::lgamma — Math
::link — File
::list — Encoding
::list — Thread
::list — Signal
::load — Marshal
::load_from_binary — RubyVM::InstructionSequence
::load_from_binary_extra_data — RubyVM::InstructionSequence
::local — Time
::locale_charmap — Encoding
::log — Math
::log10 — Math
::log2 — Math
::lstat — File
::lutime — File
::main — Thread
::malloc_allocated_size — GC
::malloc_allocations — GC
::maxgroups — Process
::maxgroups= — Process
::member? — ENV
::mkdir — Dir
::mkfifo — File
::mktime — Time
::mtime — File
::name_list — Encoding
::nesting — Module
::new — Array
::new — BasicObject
::new — Module
::new — Class
::new — String
::new — Dir
::new — File
::new — Enumerator
::new — Enumerator::Lazy
::new — Exception
::new — SystemExit
::new — SignalException
::new — SyntaxError
::new — NameError
::new — NoMethodError
::new — SystemCallError
::new — File::Stat
::new — IO
::new — Hash
::new — RubyVM::InstructionSequence
::new — Thread
::new — Proc
::new — Struct
::new — Random
::new — Range
::new — Regexp
::new — Mutex
::new — ConditionVariable
::new — Queue
::new — SizedQueue
::new — Time
::new — Encoding::Converter
::new — UncaughtThrowError
::new — TracePoint
::new_seed — Random
::now — Time
::of — RubyVM::InstructionSequence
::open — Dir
::open — File
::open — IO
::owned? — File
::pass — Thread
::path — File
::pending_interrupt? — Thread
::pid — Process
::pipe — IO
::pipe? — File
::polar — Complex
::popen — IO
::ppid — Process
::pwd — Dir
::quote — Regexp
::rand — Random
::rassoc — ENV
::raw_data — GC::Profiler
::re_exchange — Process::UID
::re_exchange — Process::GID
::re_exchangeable? — Process::UID
::re_exchangeable? — Process::GID
::read — IO
::readable? — File
::readable_real? — File
::readlines — IO
::readlink — File
::realdirpath — File
::realpath — File
::rect — Complex
::rectangular — Complex
::rehash — ENV
::reject — ENV
::reject! — ENV
::remove_stress_to_class — GC
::rename — File
::replace — ENV
::report — GC::Profiler
::report_on_exception — Thread
::report_on_exception= — Thread
::restore — Marshal
::result — GC::Profiler
::rid — Process::UID
::rid — Process::GID
::rmdir — Dir
::search_convpath — Encoding::Converter
::select — IO
::select — ENV
::select! — ENV
::setegid — Process::Sys
::seteuid — Process::Sys
::setgid — Process::Sys
::setgid? — File
::setpgid — Process
::setpgrp — Process
::setpriority — Process
::setproctitle — Process
::setregid — Process::Sys
::setresgid — Process::Sys
::setresuid — Process::Sys
::setreuid — Process::Sys
::setrgid — Process::Sys
::setrlimit — Process
::setruid — Process::Sys
::setsid — Process
::setuid — Process::Sys
::setuid? — File
::shift — ENV
::sid_available? — Process::UID
::sid_available? — Process::GID
::signame — Signal
::sin — Math
::sinh — Math
::size — File
::size — ENV
::size? — File
::socket? — File
::spawn — Process
::split — File
::sqrt — Integer
::sqrt — Math
::srand — Random
::start — Thread
::start — GC
::stat — File
::stat — RubyVM
::stat — TracePoint
::stat — GC
::sticky? — File
::stop — Thread
::store — ENV
::stress — GC
::stress= — GC
::switch — Process::UID
::switch — Process::GID
::symlink — File
::symlink? — File
::sysopen — IO
::tan — Math
::tanh — Math
::times — Process
::to_a — ENV
::to_h — ENV
::to_hash — ENV
::to_s — ENV
::total_time — GC::Profiler
::trace — TracePoint
::trap — Signal
::truncate — File
::try_convert — Array
::try_convert — String
::try_convert — IO
::try_convert — Hash
::try_convert — Regexp
::uid — Process
::uid= — Process
::umask — File
::undefine_finalizer — ObjectSpace
::union — Regexp
::unlink — Dir
::unlink — File
::update — ENV
::urandom — Random
::used_modules — Module
::utc — Time
::utime — File
::value? — ENV
::values — ENV
::values_at — ENV
::verify_internal_consistency — GC
::wait — Process
::wait2 — Process
::waitall — Process
::waitpid — Process
::waitpid2 — Process
::world_readable? — File
::world_writable? — File
::writable? — File
::writable_real? — File
::write — IO
::yield — Fiber
::zero? — File
#! — BasicObject
#!= — BasicObject
#!~ — Object
#% — Integer
#% — Numeric
#% — String
#% — Float
#& — Array
#& — Integer
#& — NilClass
#& — TrueClass
#& — FalseClass
#& — Process::Status
#* — Array
#* — Integer
#* — Complex
#* — String
#* — Float
#* — Rational
#** — Integer
#** — Complex
#** — Float
#** — Rational
#+ — Array
#+ — Integer
#+ — Complex
#+ — String
#+ — Float
#+ — Rational
#+ — Time
#+@ — Numeric
#+@ — String
#- — Array
#- — Integer
#- — Complex
#- — Float
#- — Rational
#- — Time
#-@ — Integer
#-@ — Complex
#-@ — Numeric
#-@ — String
#-@ — Float
#-@ — Rational
#/ — Integer
#/ — Complex
#/ — Float
#/ — Rational
#< — Integer
#< — Module
#< — Float
#< — Hash
#< — Comparable
#<< — Array
#<< — Integer
#<< — String
#<< — IO
#<< — Queue
#<< — SizedQueue
#<= — Integer
#<= — Module
#<= — Float
#<= — Hash
#<= — Comparable
#<=> — Array
#<=> — Object
#<=> — Integer
#<=> — Module
#<=> — Numeric
#<=> — String
#<=> — Float
#<=> — File::Stat
#<=> — Rational
#<=> — Symbol
#<=> — Time
#== — Array
#== — Integer
#== — BasicObject
#== — Module
#== — Complex
#== — String
#== — Float
#== — Exception
#== — Hash
#== — Method
#== — UnboundMethod
#== — Process::Status
#== — Struct
#== — Random
#== — Range
#== — Rational
#== — Regexp
#== — MatchData
#== — Symbol
#== — Encoding::Converter
#== — Comparable
#=== — Object
#=== — Integer
#=== — Module
#=== — NilClass
#=== — String
#=== — Float
#=== — TrueClass
#=== — FalseClass
#=== — Proc
#=== — Method
#=== — Range
#=== — Regexp
#=== — Symbol
#=~ — Object
#=~ — String
#=~ — Regexp
#=~ — Symbol
#> — Integer
#> — Module
#> — Float
#> — Hash
#> — Comparable
#>= — Integer
#>= — Module
#>= — Float
#>= — Hash
#>= — Comparable
#>> — Integer
#>> — Process::Status
#Array — Kernel
#Complex — Kernel
#Float — Kernel
#Hash — Kernel
#Integer — Kernel
#Rational — Kernel
#String — Kernel
#[] — Array
#[] — Integer
#[] — String
#[] — Continuation
#[] — ObjectSpace::WeakMap
#[] — Hash
#[] — Thread
#[] — Proc
#[] — Method
#[] — Struct
#[] — MatchData
#[] — Symbol
#[]= — Array
#[]= — String
#[]= — ObjectSpace::WeakMap
#[]= — Hash
#[]= — Thread
#[]= — Struct
#^ — Integer
#^ — NilClass
#^ — TrueClass
#^ — FalseClass
#__callee__ — Kernel
#__dir__ — Kernel
#__id__ — BasicObject
#__method__ — Kernel
#__send__ — BasicObject
#` — Kernel
#abort — Kernel
#abort_on_exception — Thread
#abort_on_exception= — Thread
#abs — Integer
#abs — Complex
#abs — Numeric
#abs — Float
#abs — Rational
#abs2 — Complex
#abs2 — Numeric
#absolute_path — RubyVM::InstructionSequence
#absolute_path — Thread::Backtrace::Location
#add — ThreadGroup
#add_trace_func — Thread
#advise — IO
#alias_method — Module
#alive? — Fiber
#alive? — Thread
#all? — Enumerable
#allbits? — Integer
#allocate — Class
#ancestors — Module
#angle — Complex
#angle — Numeric
#angle — Float
#any? — Array
#any? — Hash
#any? — Enumerable
#anybits? — Integer
#append — Array
#append_features — Module
#arg — Complex
#arg — Numeric
#arg — Float
#args — NoMethodError
#argv — ARGF
#arity — Proc
#arity — Method
#arity — UnboundMethod
#ascii_compatible? — Encoding
#ascii_only? — String
#asctime — Time
#assoc — Array
#assoc — Hash
#at — Array
#at_exit — Kernel
#atime — File
#atime — File::Stat
#attr — Module
#attr_accessor — Module
#attr_reader — Module
#attr_writer — Module
#autoclose= — IO
#autoclose? — IO
#autoload — Module
#autoload — Kernel
#autoload? — Module
#autoload? — Kernel
#b — String
#backtrace — Exception
#backtrace — Thread
#backtrace_locations — Exception
#backtrace_locations — Thread
#base_label — RubyVM::InstructionSequence
#base_label — Thread::Backtrace::Location
#begin — Range
#begin — MatchData
#between? — Comparable
#bind — UnboundMethod
#binding — Proc
#binding — TracePoint
#binding — Kernel
#binmode — IO
#binmode — ARGF
#binmode? — IO
#binmode? — ARGF
#birthtime — File
#birthtime — File::Stat
#bit_length — Integer
#blksize — File::Stat
#block_given? — Kernel
#blockdev? — File::Stat
#blockdev? — FileTest
#blocks — File::Stat
#broadcast — ConditionVariable
#bsearch — Array
#bsearch — Range
#bsearch_index — Array
#bytes — String
#bytes — IO
#bytes — ARGF
#bytes — Random
#bytesize — String
#byteslice — String
#call — Continuation
#call — Proc
#call — Method
#callcc — Kernel
#callee_id — TracePoint
#caller — Kernel
#caller_locations — Kernel
#capitalize — String
#capitalize — Symbol
#capitalize! — String
#captures — MatchData
#casecmp — String
#casecmp — Symbol
#casecmp? — String
#casecmp? — Symbol
#casefold? — Regexp
#catch — Kernel
#cause — Exception
#ceil — Integer
#ceil — Numeric
#ceil — Float
#ceil — Rational
#center — String
#chardev? — File::Stat
#chardev? — FileTest
#chars — String
#chars — IO
#chars — ARGF
#chmod — File
#chomp — String
#chomp — Kernel
#chomp! — String
#chop — String
#chop — Kernel
#chop! — String
#chown — File
#chr — Integer
#chr — String
#chunk — Enumerator::Lazy
#chunk — Enumerable
#chunk_while — Enumerator::Lazy
#chunk_while — Enumerable
#clamp — Comparable
#class — Object
#class_eval — Module
#class_exec — Module
#class_variable_defined? — Module
#class_variable_get — Module
#class_variable_set — Module
#class_variables — Module
#clear — Array
#clear — String
#clear — Hash
#clear — Queue
#clear — SizedQueue
#clone — Object
#clone — Numeric
#clone — Method
#clone — UnboundMethod
#close — Dir
#close — IO
#close — ARGF
#close — Queue
#close — SizedQueue
#close_on_exec= — IO
#close_on_exec? — IO
#close_read — IO
#close_write — IO
#closed? — IO
#closed? — ARGF
#closed? — Queue
#codepoints — String
#codepoints — IO
#codepoints — ARGF
#coerce — Integer
#coerce — Numeric
#coerce — Float
#collect — Array
#collect — Enumerator::Lazy
#collect — Enumerable
#collect! — Array
#collect_concat — Enumerator::Lazy
#collect_concat — Enumerable
#combination — Array
#compact — Array
#compact — Hash
#compact! — Array
#compact! — Hash
#compare_by_identity — Hash
#compare_by_identity? — Hash
#concat — Array
#concat — String
#conj — Complex
#conj — Numeric
#conjugate — Complex
#conjugate — Numeric
#const_defined? — Module
#const_get — Module
#const_missing — Module
#const_set — Module
#constants — Module
#convert — Encoding::Converter
#convpath — Encoding::Converter
#coredump? — Process::Status
#count — Array
#count — String
#count — Enumerable
#cover? — Range
#crypt — String
#ctime — File
#ctime — File::Stat
#ctime — Time
#curry — Proc
#curry — Method
#cycle — Array
#cycle — Enumerable
#day — Time
#default — Hash
#default= — Hash
#default_proc — Hash
#default_proc= — Hash
#define_method — Module
#define_singleton_method — Object
#defined_class — TracePoint
#delete — Array
#delete — String
#delete — Hash
#delete! — String
#delete_at — Array
#delete_if — Array
#delete_if — Hash
#delete_prefix — String
#delete_prefix! — String
#delete_suffix — String
#delete_suffix! — String
#denominator — Integer
#denominator — Complex
#denominator — Numeric
#denominator — Float
#denominator — Rational
#deprecate_constant — Module
#deq — Queue
#deq — SizedQueue
#destination_encoding — Encoding::UndefinedConversionError
#destination_encoding — Encoding::InvalidByteSequenceError
#destination_encoding — Encoding::Converter
#destination_encoding_name — Encoding::UndefinedConversionError
#destination_encoding_name — Encoding::InvalidByteSequenceError
#detect — Enumerable
#dev — File::Stat
#dev_major — File::Stat
#dev_minor — File::Stat
#dig — Array
#dig — Hash
#dig — Struct
#digits — Integer
#directory? — File::Stat
#directory? — FileTest
#disable — TracePoint
#disasm — RubyVM::InstructionSequence
#disassemble — RubyVM::InstructionSequence
#display — Object
#div — Integer
#div — Numeric
#divmod — Integer
#divmod — Numeric
#divmod — Float
#downcase — String
#downcase — Symbol
#downcase! — String
#downto — Integer
#drop — Array
#drop — Enumerator::Lazy
#drop — Enumerable
#drop_while — Array
#drop_while — Enumerator::Lazy
#drop_while — Enumerable
#dst? — Time
#dummy? — Encoding
#dump — String
#dup — Object
#dup — Numeric
#each — Array
#each — Dir
#each — Enumerator
#each — IO
#each — ObjectSpace::WeakMap
#each — Hash
#each — ARGF
#each — Struct
#each — Range
#each_byte — String
#each_byte — IO
#each_byte — ARGF
#each_char — String
#each_char — IO
#each_char — ARGF
#each_child — RubyVM::InstructionSequence
#each_codepoint — String
#each_codepoint — IO
#each_codepoint — ARGF
#each_cons — Enumerable
#each_entry — Enumerable
#each_grapheme_cluster — String
#each_index — Array
#each_key — ObjectSpace::WeakMap
#each_key — Hash
#each_line — String
#each_line — IO
#each_line — ARGF
#each_pair — ObjectSpace::WeakMap
#each_pair — Hash
#each_pair — Struct
#each_slice — Enumerable
#each_value — ObjectSpace::WeakMap
#each_value — Hash
#each_with_index — Enumerator
#each_with_index — Enumerable
#each_with_object — Enumerator
#each_with_object — Enumerable
#empty? — Array
#empty? — String
#empty? — Hash
#empty? — Symbol
#empty? — Queue
#empty? — SizedQueue
#empty? — FileTest
#enable — TracePoint
#enabled? — TracePoint
#enclose — ThreadGroup
#enclosed? — ThreadGroup
#encode — String
#encode! — String
#encoding — String
#encoding — Regexp
#encoding — Symbol
#end — Range
#end — MatchData
#end_with? — String
#enq — Queue
#enq — SizedQueue
#entries — Enumerable
#enum_for — Object
#enum_for — Enumerator::Lazy
#eof — IO
#eof — ARGF
#eof? — IO
#eof? — ARGF
#eql? — Array
#eql? — Object
#eql? — Numeric
#eql? — String
#eql? — Float
#eql? — Hash
#eql? — Method
#eql? — UnboundMethod
#eql? — Struct
#eql? — Range
#eql? — Regexp
#eql? — MatchData
#eql? — Time
#equal? — BasicObject
#errno — SystemCallError
#error_bytes — Encoding::InvalidByteSequenceError
#error_char — Encoding::UndefinedConversionError
#eval — RubyVM::InstructionSequence
#eval — Binding
#eval — Kernel
#even? — Integer
#event — TracePoint
#exception — Exception
#exclude_end? — Range
#exec — Kernel
#executable? — File::Stat
#executable? — FileTest
#executable_real? — File::Stat
#executable_real? — FileTest
#exist? — FileTest
#exists? — FileTest
#exit — Thread
#exit — Kernel
#exit! — Kernel
#exit_value — LocalJumpError
#exited? — Process::Status
#exitstatus — Process::Status
#extend — Object
#extend_object — Module
#extended — Module
#external_encoding — IO
#external_encoding — ARGF
#fail — Kernel
#fcntl — IO
#fdatasync — IO
#fdiv — Integer
#fdiv — Complex
#fdiv — Numeric
#fdiv — Float
#fdiv — Rational
#feed — Enumerator
#fetch — Array
#fetch — Hash
#fetch — Thread
#fetch_values — Hash
#file — ARGF
#file? — File::Stat
#file? — FileTest
#filename — ARGF
#fileno — Dir
#fileno — IO
#fileno — ARGF
#fill — Array
#finalize — ObjectSpace::WeakMap
#find — Enumerable
#find_all — Enumerator::Lazy
#find_all — Enumerable
#find_index — Array
#find_index — Enumerable
#finish — Encoding::Converter
#finite? — Complex
#finite? — Numeric
#finite? — Float
#first — Array
#first — Range
#first — Enumerable
#first_lineno — RubyVM::InstructionSequence
#fixed_encoding? — Regexp
#flat_map — Enumerator::Lazy
#flat_map — Enumerable
#flatten — Array
#flatten — Hash
#flatten! — Array
#flock — File
#floor — Integer
#floor — Numeric
#floor — Float
#floor — Rational
#flush — IO
#force_encoding — String
#fork — Kernel
#format — Kernel
#freeze — Object
#freeze — Module
#freeze — String
#friday? — Time
#frozen? — Array
#frozen? — Object
#fsync — IO
#ftype — File::Stat
#full_message — Exception
#garbage_collect — GC
#gcd — Integer
#gcdlcm — Integer
#getbyte — String
#getbyte — IO
#getbyte — ARGF
#getc — IO
#getc — ARGF
#getgm — Time
#getlocal — Time
#gets — IO
#gets — ARGF
#gets — Kernel
#getutc — Time
#gid — File::Stat
#global_variables — Kernel
#gmt? — Time
#gmt_offset — Time
#gmtime — Time
#gmtoff — Time
#grapheme_clusters — String
#grep — Enumerator::Lazy
#grep — Enumerable
#grep_v — Enumerator::Lazy
#grep_v — Enumerable
#group — Thread
#group_by — Enumerable
#grpowned? — File::Stat
#grpowned? — FileTest
#gsub — String
#gsub — Kernel
#gsub! — String
#has_key? — Hash
#has_value? — Hash
#hash — Array
#hash — String
#hash — Float
#hash — Hash
#hash — Proc
#hash — Method
#hash — UnboundMethod
#hash — Struct
#hash — Range
#hash — Regexp
#hash — MatchData
#hash — Time
#hex — String
#hour — Time
#i — Numeric
#id2name — Symbol
#identical? — FileTest
#imag — Complex
#imag — Numeric
#imaginary — Complex
#imaginary — Numeric
#include — Module
#include? — Array
#include? — Module
#include? — String
#include? — ObjectSpace::WeakMap
#include? — Hash
#include? — Range
#include? — Enumerable
#included — Module
#included_modules — Module
#incomplete_input? — Encoding::InvalidByteSequenceError
#index — Array
#index — String
#infinite? — Complex
#infinite? — Numeric
#infinite? — Float
#inherited — Class
#initialize_copy — Array
#initialize_copy — String
#inject — Enumerable
#ino — File::Stat
#inplace_mode — ARGF
#inplace_mode= — ARGF
#insert — Array
#insert — String
#insert_output — Encoding::Converter
#inspect — Array
#inspect — Object
#inspect — Integer
#inspect — Module
#inspect — Complex
#inspect — NilClass
#inspect — String
#inspect — Float
#inspect — Fiber
#inspect — Dir
#inspect — Encoding
#inspect — Enumerator
#inspect — Exception
#inspect — File::Stat
#inspect — IO
#inspect — ObjectSpace::WeakMap
#inspect — Hash
#inspect — ARGF
#inspect — RubyVM::InstructionSequence
#inspect — TrueClass
#inspect — FalseClass
#inspect — Thread
#inspect — Proc
#inspect — Method
#inspect — UnboundMethod
#inspect — Process::Status
#inspect — Struct
#inspect — Range
#inspect — Rational
#inspect — Regexp
#inspect — MatchData
#inspect — Symbol
#inspect — Time
#inspect — Encoding::Converter
#inspect — Thread::Backtrace::Location
#inspect — TracePoint
#instance_eval — BasicObject
#instance_exec — BasicObject
#instance_method — Module
#instance_methods — Module
#instance_of? — Object
#instance_variable_defined? — Object
#instance_variable_get — Object
#instance_variable_set — Object
#instance_variables — Object
#integer? — Integer
#integer? — Numeric
#intern — String
#intern — Symbol
#internal_encoding — IO
#internal_encoding — ARGF
#invert — Hash
#ioctl — IO
#is_a? — Object
#isatty — IO
#isdst — Time
#iterator? — Kernel
#itself — Object
#join — Array
#join — Thread
#keep_if — Array
#keep_if — Hash
#key — KeyError
#key — Hash
#key? — ObjectSpace::WeakMap
#key? — Hash
#key? — Thread
#keys — ObjectSpace::WeakMap
#keys — Hash
#keys — Thread
#kill — Thread
#kind_of? — Object
#label — RubyVM::InstructionSequence
#label — Thread::Backtrace::Location
#lambda — Kernel
#lambda? — Proc
#last — Array
#last — Range
#last_error — Encoding::Converter
#lazy — Enumerator::Lazy
#lazy — Enumerable
#lcm — Integer
#length — Array
#length — String
#length — ObjectSpace::WeakMap
#length — Hash
#length — Struct
#length — MatchData
#length — Symbol
#length — Queue
#length — SizedQueue
#lineno — IO
#lineno — ARGF
#lineno — Thread::Backtrace::Location
#lineno — TracePoint
#lineno= — IO
#lineno= — ARGF
#lines — String
#lines — IO
#lines — ARGF
#list — ThreadGroup
#ljust — String
#load — Kernel
#local_variable_defined? — Binding
#local_variable_get — Binding
#local_variable_set — Binding
#local_variables — NameError
#local_variables — Binding
#local_variables — Kernel
#localtime — Time
#lock — Mutex
#locked? — Mutex
#loop — Kernel
#lstat — File
#lstrip — String
#lstrip! — String
#magnitude — Integer
#magnitude — Complex
#magnitude — Numeric
#magnitude — Float
#magnitude — Rational
#map — Array
#map — Enumerator::Lazy
#map — Enumerable
#map! — Array
#match — String
#match — Regexp
#match — Symbol
#match? — String
#match? — Regexp
#match? — Symbol
#max — Array
#max — Range
#max — SizedQueue
#max — Enumerable
#max= — SizedQueue
#max_by — Enumerable
#mday — Time
#member? — ObjectSpace::WeakMap
#member? — Hash
#member? — Range
#member? — Enumerable
#members — Struct
#merge — Hash
#merge! — Hash
#message — Exception
#method — Object
#method_added — Module
#method_defined? — Module
#method_id — TracePoint
#method_missing — BasicObject
#method_removed — Module
#method_undefined — Module
#methods — Object
#min — Array
#min — Range
#min — Time
#min — Enumerable
#min_by — Enumerable
#minmax — Enumerable
#minmax_by — Enumerable
#mode — File::Stat
#module_eval — Module
#module_exec — Module
#module_function — Module
#modulo — Integer
#modulo — Numeric
#modulo — Float
#mon — Time
#monday? — Time
#month — Time
#mtime — File
#mtime — File::Stat
#name — Module
#name — Encoding
#name — NameError
#name — Thread
#name — Method
#name — UnboundMethod
#name= — Thread
#named_captures — Regexp
#named_captures — MatchData
#names — Encoding
#names — Regexp
#names — MatchData
#nan? — Float
#negative? — Numeric
#negative? — Float
#negative? — Rational
#new — Class
#next — Integer
#next — String
#next — Enumerator
#next — Symbol
#next! — String
#next_float — Float
#next_values — Enumerator
#nil? — Object
#nil? — NilClass
#nlink — File::Stat
#nobits? — Integer
#none? — Enumerable
#nonzero? — Numeric
#nsec — Time
#num_waiting — Queue
#num_waiting — SizedQueue
#numerator — Integer
#numerator — Complex
#numerator — Numeric
#numerator — Float
#numerator — Rational
#object_id — Object
#oct — String
#odd? — Integer
#offset — MatchData
#one? — Enumerable
#open — Kernel
#options — Regexp
#ord — Integer
#ord — String
#original_name — Method
#original_name — UnboundMethod
#owned? — File::Stat
#owned? — Mutex
#owned? — FileTest
#owner — Method
#owner — UnboundMethod
#p — Kernel
#pack — Array
#parameters — Proc
#parameters — Method
#parameters — UnboundMethod
#partition — String
#partition — Enumerable
#path — Dir
#path — File
#path — ARGF
#path — RubyVM::InstructionSequence
#path — Thread::Backtrace::Location
#path — TracePoint
#peek — Enumerator
#peek_values — Enumerator
#pending_interrupt? — Thread
#permutation — Array
#phase — Complex
#phase — Numeric
#phase — Float
#pid — IO
#pid — Process::Waiter
#pid — Process::Status
#pipe? — File::Stat
#pipe? — FileTest
#polar — Complex
#polar — Numeric
#pop — Array
#pop — Queue
#pop — SizedQueue
#pos — Dir
#pos — IO
#pos — ARGF
#pos= — Dir
#pos= — IO
#pos= — ARGF
#positive? — Numeric
#positive? — Float
#positive? — Rational
#post_match — MatchData
#pow — Integer
#pre_match — MatchData
#pread — IO
#pred — Integer
#prepend — Array
#prepend — Module
#prepend — String
#prepend_features — Module
#prepended — Module
#prev_float — Float
#primitive_convert — Encoding::Converter
#primitive_errinfo — Encoding::Converter
#print — IO
#print — ARGF
#print — Kernel
#printf — IO
#printf — ARGF
#printf — Kernel
#priority — Thread
#priority= — Thread
#private — Module
#private_call? — NoMethodError
#private_class_method — Module
#private_constant — Module
#private_instance_methods — Module
#private_method_defined? — Module
#private_methods — Object
#proc — Kernel
#product — Array
#protected — Module
#protected_instance_methods — Module
#protected_method_defined? — Module
#protected_methods — Object
#public — Module
#public_class_method — Module
#public_constant — Module
#public_instance_method — Module
#public_instance_methods — Module
#public_method — Object
#public_method_defined? — Module
#public_methods — Object
#public_send — Object
#push — Array
#push — Queue
#push — SizedQueue
#putback — Encoding::Converter
#putc — IO
#putc — ARGF
#putc — Kernel
#puts — IO
#puts — ARGF
#puts — Kernel
#pwrite — IO
#quo — Complex
#quo — Numeric
#quo — Float
#quo — Rational
#raise — Thread
#raise — Kernel
#raised_exception — TracePoint
#rand — Random
#rand — Kernel
#rand — Random::Formatter
#random_number — Random::Formatter
#rassoc — Array
#rassoc — Hash
#rationalize — Integer
#rationalize — Complex
#rationalize — NilClass
#rationalize — Float
#rationalize — Rational
#rdev — File::Stat
#rdev_major — File::Stat
#rdev_minor — File::Stat
#read — Dir
#read — IO
#read — ARGF
#read_nonblock — IO
#read_nonblock — ARGF
#readable? — File::Stat
#readable? — FileTest
#readable_real? — File::Stat
#readable_real? — FileTest
#readagain_bytes — Encoding::InvalidByteSequenceError
#readbyte — IO
#readbyte — ARGF
#readchar — IO
#readchar — ARGF
#readline — IO
#readline — ARGF
#readline — Kernel
#readlines — IO
#readlines — ARGF
#readlines — Kernel
#readpartial — IO
#readpartial — ARGF
#real — Complex
#real — Numeric
#real? — Complex
#real? — Numeric
#reason — LocalJumpError
#receiver — KeyError
#receiver — NameError
#receiver — Binding
#receiver — Method
#rect — Complex
#rect — Numeric
#rectangular — Complex
#rectangular — Numeric
#reduce — Enumerable
#refine — Module
#regexp — MatchData
#rehash — Hash
#reject — Array
#reject — Enumerator::Lazy
#reject — Hash
#reject — Enumerable
#reject! — Array
#reject! — Hash
#remainder — Integer
#remainder — Numeric
#remove_class_variable — Module
#remove_const — Module
#remove_instance_variable — Object
#remove_method — Module
#reopen — IO
#repeated_combination — Array
#repeated_permutation — Array
#replace — Array
#replace — String
#replace — Hash
#replacement — Encoding::Converter
#replacement= — Encoding::Converter
#replicate — Encoding
#report_on_exception — Thread
#report_on_exception= — Thread
#require — Kernel
#require_relative — Kernel
#respond_to? — Object
#respond_to_missing? — Object
#result — StopIteration
#resume — Fiber
#return_value — TracePoint
#reverse — Array
#reverse — String
#reverse! — Array
#reverse! — String
#reverse_each — Array
#reverse_each — Enumerable
#rewind — Dir
#rewind — Enumerator
#rewind — IO
#rewind — ARGF
#rindex — Array
#rindex — String
#rjust — String
#rotate — Array
#rotate! — Array
#round — Integer
#round — Numeric
#round — Float
#round — Rational
#round — Time
#rpartition — String
#rstrip — String
#rstrip! — String
#run — Thread
#safe_level — Thread
#sample — Array
#saturday? — Time
#scan — String
#scrub — String
#scrub! — String
#sec — Time
#seed — Random
#seek — Dir
#seek — IO
#seek — ARGF
#select — Array
#select — Enumerator::Lazy
#select — Hash
#select — Struct
#select — Kernel
#select — Enumerable
#select! — Array
#select! — Hash
#self — TracePoint
#send — Object
#set_backtrace — Exception
#set_encoding — IO
#set_encoding — ARGF
#set_trace_func — Thread
#set_trace_func — Kernel
#setbyte — String
#setgid? — File::Stat
#setgid? — FileTest
#setuid? — File::Stat
#setuid? — FileTest
#shift — Array
#shift — Hash
#shift — Queue
#shift — SizedQueue
#shuffle — Array
#shuffle! — Array
#signal — ConditionVariable
#signaled? — Process::Status
#signo — SignalException
#singleton_class — Object
#singleton_class? — Module
#singleton_method — Object
#singleton_method_added — BasicObject
#singleton_method_removed — BasicObject
#singleton_method_undefined — BasicObject
#singleton_methods — Object
#size — Array
#size — Integer
#size — String
#size — File
#size — Enumerator
#size — File::Stat
#size — ObjectSpace::WeakMap
#size — Hash
#size — Struct
#size — Range
#size — MatchData
#size — Symbol
#size — Queue
#size — SizedQueue
#size — FileTest
#size? — File::Stat
#size? — FileTest
#skip — ARGF
#sleep — Mutex
#sleep — Kernel
#slice — Array
#slice — String
#slice — Hash
#slice — Symbol
#slice! — Array
#slice! — String
#slice_after — Enumerator::Lazy
#slice_after — Enumerable
#slice_before — Enumerator::Lazy
#slice_before — Enumerable
#slice_when — Enumerator::Lazy
#slice_when — Enumerable
#socket? — File::Stat
#socket? — FileTest
#sort — Array
#sort — Enumerable
#sort! — Array
#sort_by — Enumerable
#sort_by! — Array
#source — Regexp
#source_encoding — Encoding::UndefinedConversionError
#source_encoding — Encoding::InvalidByteSequenceError
#source_encoding — Encoding::Converter
#source_encoding_name — Encoding::UndefinedConversionError
#source_encoding_name — Encoding::InvalidByteSequenceError
#source_location — Proc
#source_location — Method
#source_location — UnboundMethod
#spawn — Kernel
#split — String
#sprintf — Kernel
#squeeze — String
#squeeze! — String
#srand — Kernel
#start_with? — String
#stat — IO
#status — SystemExit
#status — Thread
#step — Numeric
#step — Range
#sticky? — File::Stat
#sticky? — FileTest
#stop? — Thread
#stopped? — Process::Status
#stopsig — Process::Status
#store — Hash
#strftime — Time
#string — MatchData
#strip — String
#strip! — String
#sub — String
#sub — Kernel
#sub! — String
#subsec — Time
#succ — Integer
#succ — String
#succ — Symbol
#succ — Time
#succ! — String
#success? — SystemExit
#success? — Process::Status
#sum — Array
#sum — String
#sum — Enumerable
#sunday? — Time
#super_method — Method
#super_method — UnboundMethod
#superclass — Class
#swapcase — String
#swapcase — Symbol
#swapcase! — String
#symlink? — File::Stat
#symlink? — FileTest
#sync — IO
#sync= — IO
#synchronize — Mutex
#syscall — Kernel
#sysread — IO
#sysseek — IO
#system — Kernel
#syswrite — IO
#tag — UncaughtThrowError
#taint — Object
#tainted? — Object
#take — Array
#take — Enumerator::Lazy
#take — Enumerable
#take_while — Array
#take_while — Enumerator::Lazy
#take_while — Enumerable
#tap — Object
#tell — Dir
#tell — IO
#tell — ARGF
#terminate — Thread
#termsig — Process::Status
#test — Kernel
#thread_variable? — Thread
#thread_variable_get — Thread
#thread_variable_set — Thread
#thread_variables — Thread
#throw — Kernel
#thursday? — Time
#times — Integer
#to_a — Array
#to_a — NilClass
#to_a — Hash
#to_a — ARGF
#to_a — RubyVM::InstructionSequence
#to_a — Struct
#to_a — MatchData
#to_a — Time
#to_a — Enumerable
#to_ary — Array
#to_binary — RubyVM::InstructionSequence
#to_c — Complex
#to_c — NilClass
#to_c — Numeric
#to_c — String
#to_enum — Object
#to_enum — Enumerator::Lazy
#to_f — Integer
#to_f — Complex
#to_f — NilClass
#to_f — String
#to_f — Float
#to_f — Rational
#to_f — Time
#to_h — Array
#to_h — NilClass
#to_h — Hash
#to_h — Struct
#to_h — Enumerable
#to_hash — Hash
#to_i — Integer
#to_i — Complex
#to_i — NilClass
#to_i — String
#to_i — Float
#to_i — IO
#to_i — ARGF
#to_i — Process::Status
#to_i — Rational
#to_i — Time
#to_int — Integer
#to_int — Numeric
#to_int — Float
#to_io — IO
#to_io — ARGF
#to_path — Dir
#to_path — File
#to_proc — Hash
#to_proc — Proc
#to_proc — Method
#to_proc — Symbol
#to_r — Integer
#to_r — Complex
#to_r — NilClass
#to_r — String
#to_r — Float
#to_r — Rational
#to_r — Time
#to_s — Array
#to_s — Object
#to_s — Integer
#to_s — Module
#to_s — Complex
#to_s — NilClass
#to_s — String
#to_s — Float
#to_s — Fiber
#to_s — Encoding
#to_s — Exception
#to_s — Hash
#to_s — ARGF
#to_s — TrueClass
#to_s — FalseClass
#to_s — Thread
#to_s — Proc
#to_s — Method
#to_s — UnboundMethod
#to_s — Process::Status
#to_s — Struct
#to_s — Range
#to_s — Rational
#to_s — Regexp
#to_s — MatchData
#to_s — Symbol
#to_s — Time
#to_s — Thread::Backtrace::Location
#to_s — UncaughtThrowError
#to_str — String
#to_sym — String
#to_sym — Symbol
#to_write_io — ARGF
#tr — String
#tr! — String
#tr_s — String
#tr_s! — String
#trace_points — RubyVM::InstructionSequence
#trace_var — Kernel
#transfer — Fiber
#transform_keys — Hash
#transform_keys! — Hash
#transform_values — Hash
#transform_values! — Hash
#transpose — Array
#trap — Kernel
#truncate — Integer
#truncate — Numeric
#truncate — Float
#truncate — File
#truncate — Rational
#trust — Object
#try_lock — Mutex
#tty? — IO
#tuesday? — Time
#tv_nsec — Time
#tv_sec — Time
#tv_usec — Time
#uid — File::Stat
#unbind — Method
#undef_method — Module
#undump — String
#ungetbyte — IO
#ungetc — IO
#unicode_normalize — String
#unicode_normalize! — String
#unicode_normalized? — String
#uniq — Array
#uniq — Enumerator::Lazy
#uniq — Enumerable
#uniq! — Array
#unlock — Mutex
#unpack — String
#unpack1 — String
#unshift — Array
#untaint — Object
#untrace_var — Kernel
#untrust — Object
#untrusted? — Object
#upcase — String
#upcase — Symbol
#upcase! — String
#update — Hash
#upto — Integer
#upto — String
#usec — Time
#using — Module
#utc — Time
#utc? — Time
#utc_offset — Time
#valid_encoding? — String
#value — Thread
#value — UncaughtThrowError
#value? — Hash
#values — ObjectSpace::WeakMap
#values — Hash
#values — Struct
#values_at — Array
#values_at — Hash
#values_at — Struct
#values_at — MatchData
#wait — ConditionVariable
#wakeup — Thread
#warn — Kernel
#warn — Warning
#wday — Time
#wednesday? — Time
#with_index — Enumerator
#with_object — Enumerator
#world_readable? — File::Stat
#world_readable? — FileTest
#world_writable? — File::Stat
#world_writable? — FileTest
#writable? — File::Stat
#writable? — FileTest
#writable_real? — File::Stat
#writable_real? — FileTest
#write — Warning::buffer
#write — IO
#write — ARGF
#write_nonblock — IO
#yday — Time
#year — Time
#yield — Proc
#yield_self — Object
#zero? — Numeric
#zero? — Float
#zero? — File::Stat
#zero? — FileTest
#zip — Array
#zip — Enumerator::Lazy
#zip — Enumerable
#zone — Time
#| — Array
#| — Integer
#| — NilClass
#| — TrueClass
#| — FalseClass
#~ — Integer
#~ — Complex
#~ — Regexp