種類
ライブラリ
- English (11)
- ビルトイン (2345)
- benchmark (11)
-
cgi
/ core (66) - csv (44)
- delegate (11)
- drb (22)
- erb (33)
- etc (1441)
- fiber (8)
- fiddle (66)
- getoptlong (110)
-
irb
/ inspector (11) -
json
/ add / bigdecimal (11) -
json
/ add / complex (11) -
json
/ add / date (11) -
json
/ add / date _ time (11) -
json
/ add / exception (11) -
json
/ add / ostruct (11) -
json
/ add / range (11) -
json
/ add / rational (11) -
json
/ add / regexp (11) -
json
/ add / struct (11) -
json
/ add / symbol (11) -
json
/ add / time (11) -
minitest
/ mock (1) -
minitest
/ spec (1) -
minitest
/ unit (3) - mkmf (55)
-
net
/ ftp (88) -
net
/ http (39) - observer (11)
- open3 (99)
- openssl (66)
- optparse (363)
- pathname (110)
- rake (341)
-
rdoc
/ rdoc (11) - resolv (44)
-
rexml
/ document (66) -
rexml
/ sax2listener (11) - ripper (22)
-
ripper
/ lexer (7) -
rubygems
/ command (154) -
rubygems
/ command _ manager (22) -
rubygems
/ commands / build _ command (11) -
rubygems
/ commands / dependency _ command (11) -
rubygems
/ config _ file (22) -
rubygems
/ doc _ manager (44) -
rubygems
/ gem _ runner (11) -
rubygems
/ source _ info _ cache (22) -
rubygems
/ specification (11) -
rubygems
/ user _ interaction (99) - set (22)
- syslog (99)
-
test
/ unit (1) - uri (66)
-
webrick
/ httpproxy (22) -
webrick
/ httpstatus (44) -
webrick
/ httputils (11) - win32ole (121)
- zlib (44)
クラス
-
ARGF
. class (843) - Array (11)
- BasicObject (44)
-
Benchmark
:: Tms (11) - BigDecimal (11)
- CSV (22)
-
CSV
:: Row (22) - Class (11)
- Complex (44)
-
DRb
:: DRbServer (11) - Data (14)
- Date (11)
- DateTime (11)
- Delegator (11)
- ERB (33)
- Enumerator (73)
-
Enumerator
:: Chain (12) -
Enumerator
:: Lazy (60) - Exception (11)
- Fiber (33)
-
Fiddle
:: Closure (22) -
Fiddle
:: Closure :: BlockCaller (22) -
Fiddle
:: Function (22) - Float (33)
-
Gem
:: Command (154) -
Gem
:: CommandManager (22) -
Gem
:: Commands :: BuildCommand (11) -
Gem
:: Commands :: DependencyCommand (11) -
Gem
:: ConfigFile (22) -
Gem
:: DocManager (44) -
Gem
:: GemRunner (11) -
Gem
:: SourceInfoCache (22) -
Gem
:: Specification (11) -
Gem
:: StreamUI (11) - GetoptLong (88)
- Hash (22)
- IO (198)
-
IRB
:: Inspector (11) - Method (83)
-
MiniTest
:: Mock (1) -
MiniTest
:: Unit (2) - Module (22)
-
Net
:: FTP (88) - NoMethodError (28)
- Numeric (33)
- Object (155)
-
OpenSSL
:: Cipher :: IDEA (11) -
OpenSSL
:: Cipher :: RC5 (11) -
OpenSSL
:: Digest :: Digest (11) - OpenStruct (11)
- OptionParser (198)
-
OptionParser
:: ParseError (22) - Pathname (110)
- Proc (62)
-
RDoc
:: Options (11) -
RDoc
:: RDoc (11) -
REXML
:: Attribute (11) -
REXML
:: Element (11) -
REXML
:: Instruction (33) -
REXML
:: Text (11) -
Rake
:: FileList (11) -
Rake
:: Task (77) -
Rake
:: TaskArguments (110) - Range (11)
- Rational (22)
- Regexp (11)
-
Resolv
:: DNS (22) -
Resolv
:: DNS :: Resource :: IN :: SRV (22) - Ripper (29)
-
RubyVM
:: InstructionSequence (11) - String (27)
- Struct (55)
- Symbol (11)
- Thread (55)
- Time (11)
-
URI
:: FTP (22) -
URI
:: Generic (11) -
URI
:: HTTP (11) -
URI
:: LDAP (11) -
URI
:: MailTo (11) - UnboundMethod (10)
-
WEBrick
:: HTTPUtils :: FormData (11) - WIN32OLE (77)
-
WIN32OLE
_ EVENT (22) -
WIN32OLE
_ METHOD (11) -
WIN32OLE
_ TYPE (11) -
Zlib
:: GzipFile (33) -
Zlib
:: GzipWriter (11)
モジュール
-
CGI
:: QueryExtension (55) -
CGI
:: QueryExtension :: Value (11) - Enumerable (94)
- Etc (1441)
- FileUtils (22)
-
Gem
:: UserInteraction (88) - Kernel (376)
-
MiniTest
:: Assertions (1) - Observable (11)
- Open3 (99)
-
OpenSSL
:: Buffering (22) -
OpenSSL
:: SSL :: SocketForwarder (11) -
OptionParser
:: Arguable (88) - Process (33)
-
REXML
:: SAX2Listener (11) - Rake (11)
-
Rake
:: TaskManager (33) - Syslog (99)
-
Test
:: Unit (1) -
WEBrick
:: HTTPStatus (22)
オブジェクト
-
WEBrick
:: NullReader (22)
キーワード
-
$ ARGV (11) - % (11)
-
1
. 6 . 8から1 . 8 . 0への変更点(まとめ) (11) - << (11)
- === (29)
- ARGF (22)
-
ARGF
. class (11) -
ARGUMENT
_ FLAGS (11) - ARGV (22)
- AmbiguousArgument (11)
- Arguable (11)
- ArgumentError (11)
- Array (11)
- DRbProtocol (11)
-
EMPTY
_ TASK _ ARGS (11) - Float (11)
- HTTPPayloadTooLarge (6)
- HTTPRequestEntityTooLarge (11)
- HTTPRequestHeaderFieldsTooLarge (11)
- HTTPRequestURITooLarge (11)
- Hash (11)
- Integer (11)
- InvalidArgument (11)
- Method (11)
- MissingArgument (22)
-
NEWS for Ruby 2
. 2 . 0 (10) -
NO
_ ARGUMENT (11) - NeedlessArgument (22)
- Numeric (11)
-
OPTIONAL
_ ARGUMENT (11) - Proc (11)
-
RC
_ REQUEST _ ENTITY _ TOO _ LARGE (11) -
RC
_ REQUEST _ URI _ TOO _ LARGE (11) -
REQUIRED
_ ARGUMENT (11) - RequestEntityTooLarge (11)
- RequestURITooLarge (11)
- Ruby プログラムの実行 (11)
-
SC
_ 2 _ CHAR _ TERM (11) -
SC
_ 2 _ C _ BIND (11) -
SC
_ 2 _ C _ DEV (11) -
SC
_ 2 _ FORT _ DEV (11) -
SC
_ 2 _ FORT _ RUN (11) -
SC
_ 2 _ LOCALEDEF (11) -
SC
_ 2 _ PBS (11) -
SC
_ 2 _ PBS _ ACCOUNTING (11) -
SC
_ 2 _ PBS _ CHECKPOINT (11) -
SC
_ 2 _ PBS _ LOCATE (11) -
SC
_ 2 _ PBS _ MESSAGE (11) -
SC
_ 2 _ PBS _ TRACK (11) -
SC
_ 2 _ SW _ DEV (11) -
SC
_ 2 _ UPE (11) -
SC
_ 2 _ VERSION (11) -
SC
_ ADVISORY _ INFO (11) -
SC
_ AIO _ LISTIO _ MAX (11) -
SC
_ AIO _ MAX (11) -
SC
_ AIO _ PRIO _ DELTA _ MAX (11) -
SC
_ ARG _ MAX (11) -
SC
_ ASYNCHRONOUS _ IO (11) -
SC
_ ATEXIT _ MAX (11) -
SC
_ AVPHYS _ PAGES (11) -
SC
_ BARRIERS (11) -
SC
_ BC _ BASE _ MAX (11) -
SC
_ BC _ DIM _ MAX (11) -
SC
_ BC _ SCALE _ MAX (11) -
SC
_ BC _ STRING _ MAX (11) -
SC
_ CHILD _ MAX (11) -
SC
_ CLK _ TCK (11) -
SC
_ CLOCK _ SELECTION (11) -
SC
_ COLL _ WEIGHTS _ MAX (11) -
SC
_ CPUSET _ SIZE (11) -
SC
_ CPUTIME (11) -
SC
_ DELAYTIMER _ MAX (11) -
SC
_ EXPR _ NEST _ MAX (11) -
SC
_ FSYNC (11) -
SC
_ GETGR _ R _ SIZE _ MAX (11) -
SC
_ GETPW _ R _ SIZE _ MAX (11) -
SC
_ HOST _ NAME _ MAX (11) -
SC
_ IOV _ MAX (11) -
SC
_ IPV6 (11) -
SC
_ JOB _ CONTROL (11) -
SC
_ LINE _ MAX (11) -
SC
_ LOGIN _ NAME _ MAX (11) -
SC
_ MAPPED _ FILES (11) -
SC
_ MEMLOCK (11) -
SC
_ MEMLOCK _ RANGE (11) -
SC
_ MEMORY _ PROTECTION (11) -
SC
_ MESSAGE _ PASSING (11) -
SC
_ MONOTONIC _ CLOCK (11) -
SC
_ MQ _ OPEN _ MAX (11) -
SC
_ MQ _ PRIO _ MAX (11) -
SC
_ NGROUPS _ MAX (11) -
SC
_ NPROCESSORS _ CONF (11) -
SC
_ NPROCESSORS _ ONLN (11) -
SC
_ OPEN _ MAX (11) -
SC
_ PAGESIZE (11) -
SC
_ PAGE _ SIZE (11) -
SC
_ PHYS _ PAGES (11) -
SC
_ PRIORITIZED _ IO (11) -
SC
_ PRIORITY _ SCHEDULING (11) -
SC
_ RAW _ SOCKETS (11) -
SC
_ READER _ WRITER _ LOCKS (11) -
SC
_ REALTIME _ SIGNALS (11) -
SC
_ REGEXP (11) -
SC
_ RE _ DUP _ MAX (11) -
SC
_ RTSIG _ MAX (11) -
SC
_ SAVED _ IDS (11) -
SC
_ SEMAPHORES (11) -
SC
_ SEM _ NSEMS _ MAX (11) -
SC
_ SEM _ VALUE _ MAX (11) -
SC
_ SHARED _ MEMORY _ OBJECTS (11) -
SC
_ SHELL (11) -
SC
_ SIGQUEUE _ MAX (11) -
SC
_ SPAWN (11) -
SC
_ SPIN _ LOCKS (11) -
SC
_ SPORADIC _ SERVER (11) -
SC
_ SS _ REPL _ MAX (11) -
SC
_ STREAM _ MAX (11) -
SC
_ SYMLOOP _ MAX (11) -
SC
_ SYNCHRONIZED _ IO (11) -
SC
_ THREADS (11) -
SC
_ THREAD _ ATTR _ STACKADDR (11) -
SC
_ THREAD _ ATTR _ STACKSIZE (11) -
SC
_ THREAD _ CPUTIME (11) -
SC
_ THREAD _ DESTRUCTOR _ ITERATIONS (11) -
SC
_ THREAD _ KEYS _ MAX (11) -
SC
_ THREAD _ PRIORITY _ SCHEDULING (11) -
SC
_ THREAD _ PRIO _ INHERIT (11) -
SC
_ THREAD _ PRIO _ PROTECT (11) -
SC
_ THREAD _ PROCESS _ SHARED (11) -
SC
_ THREAD _ ROBUST _ PRIO _ INHERIT (11) -
SC
_ THREAD _ ROBUST _ PRIO _ PROTECT (11) -
SC
_ THREAD _ SAFE _ FUNCTIONS (11) -
SC
_ THREAD _ SPORADIC _ SERVER (11) -
SC
_ THREAD _ STACK _ MIN (11) -
SC
_ THREAD _ THREADS _ MAX (11) -
SC
_ TIMEOUTS (11) -
SC
_ TIMERS (11) -
SC
_ TIMER _ MAX (11) -
SC
_ TRACE (11) -
SC
_ TRACE _ EVENT _ FILTER (11) -
SC
_ TRACE _ EVENT _ NAME _ MAX (11) -
SC
_ TRACE _ INHERIT (11) -
SC
_ TRACE _ LOG (11) -
SC
_ TRACE _ NAME _ MAX (11) -
SC
_ TRACE _ SYS _ MAX (11) -
SC
_ TRACE _ USER _ EVENT _ MAX (11) -
SC
_ TTY _ NAME _ MAX (11) -
SC
_ TYPED _ MEMORY _ OBJECTS (11) -
SC
_ TZNAME _ MAX (11) -
SC
_ V6 _ ILP32 _ OFF32 (11) -
SC
_ V6 _ ILP32 _ OFFBIG (11) -
SC
_ V6 _ LP64 _ OFF64 (11) -
SC
_ V6 _ LPBIG _ OFFBIG (11) -
SC
_ V7 _ ILP32 _ OFF32 (11) -
SC
_ V7 _ ILP32 _ OFFBIG (11) -
SC
_ V7 _ LP64 _ OFF64 (11) -
SC
_ V7 _ LPBIG _ OFFBIG (11) -
SC
_ VERSION (11) -
SC
_ XOPEN _ CRYPT (11) -
SC
_ XOPEN _ ENH _ I18N (11) -
SC
_ XOPEN _ REALTIME (11) -
SC
_ XOPEN _ REALTIME _ THREADS (11) -
SC
_ XOPEN _ SHM (11) -
SC
_ XOPEN _ STREAMS (11) -
SC
_ XOPEN _ UNIX (11) -
SC
_ XOPEN _ UUCP (11) -
SC
_ XOPEN _ VERSION (11) - String (11)
- TaskArgumentError (11)
- TaskArguments (11)
- [] (81)
-
_ _ send _ _ (22) -
_ dump (11) -
_ getproperty (11) -
_ invoke (11) -
_ setproperty (11) -
add
_ common _ option (11) -
add
_ extra _ args (11) -
add
_ specific _ extra _ args (11) -
add
_ trace _ func (11) - alert (22)
-
alert
_ error (11) -
alert
_ warning (11) - angle (33)
-
arg
_ add (11) -
arg
_ ambiguous (11) -
arg
_ blk _ pass (11) -
arg
_ concat (11) -
arg
_ config (11) -
arg
_ defined (11) -
arg
_ description (11) -
arg
_ names (11) -
arg
_ prepend (11) - args (44)
- arguments (33)
- argv (11)
- argv0 (11)
- ask (11)
-
ask
_ yes _ no (11) -
assert
_ raises (1) - attributes (11)
-
bind
_ call (10) - binmode (11)
- binmode? (11)
- binread (11)
- bmcall (11)
-
build
_ args (11) -
build
_ args= (11) - bytes (14)
- call (55)
-
call
_ cfunc (11) -
call
_ op (11) - chars (14)
-
choose
_ from _ list (11) -
class
_ exec (11) - close (11)
- closed? (11)
- codepoints (14)
- concat (8)
-
configured
_ args (11) -
configured
_ args= (11) - convert (11)
-
create
_ body (11) -
create
_ makefile (11) -
create
_ rule (22) - crit (11)
- debug (11)
-
def
_ class (11) -
def
_ inspector (11) -
def
_ module (11) -
default
_ argc _ limit (11) -
default
_ argv (11) -
default
_ argv= (11) -
default
_ event _ sources (11) - define (4)
-
define
_ final (11) -
define
_ task (22) - dir (22)
-
dir
_ config (11) - document (11)
- e2mmap (6)
- each (122)
-
each
_ byte (22) -
each
_ char (22) -
each
_ codepoint (22) -
each
_ line (66) -
each
_ option (11) -
each
_ with _ index (22) -
each
_ with _ object (11) - emerg (11)
- entries (11)
-
enum
_ for (44) - eof (11)
- eof? (11)
- err (11)
-
eval
_ under _ i (11) - exec (33)
-
exec
_ under (11) - execute (11)
- expect (1)
-
external
_ encoding (11) -
extra
_ args (11) -
extra
_ args= (11) - fcntl (33)
- file (22)
-
file
_ create (11) - filename (11)
- fileno (11)
- fnmatch (11)
- fnmatch? (11)
- force (11)
- fork (11)
- format (22)
-
get
_ one _ optional _ argument (11) - getbyte (11)
- getc (11)
- getoptlong (11)
- getopts (33)
- gets (44)
-
handle
_ arguments (11) - handles? (11)
-
has
_ key? (11) - help (11)
- include? (11)
- info (11)
- initialize (11)
-
inplace
_ mode (11) -
inplace
_ mode= (11) - inspect (27)
-
instance
_ exec (11) -
internal
_ encoding (11) - invkind (11)
- invoke (33)
- ioctl (22)
- join (11)
- key? (11)
- keys (11)
- lambda (17)
- lex (7)
- lineno (11)
- lineno= (11)
- lines (42)
- list (22)
- log (11)
- lookup (11)
- ls (22)
-
marshal
_ dump (11) -
method
_ call (11) -
method
_ missing (33) - mkdir (11)
- mkmf (11)
- modified? (11)
-
module
_ exec (11) - multitask (11)
-
must
_ raise (1) - name (11)
- names (11)
- namespace (11)
- new (321)
- new2 (11)
-
new
_ scope (11) - notice (11)
-
notify
_ observers (11) -
on
_ event (11) -
on
_ event _ with _ outargs (11) -
on
_ head (11) -
on
_ tail (11) - open (33)
- order (44)
- order! (44)
-
os
_ each _ obj (11) - owner (11)
- p (11)
- parse (33)
- parse! (22)
- path (11)
- permute (22)
- permute! (22)
- phase (33)
- pipeline (11)
-
pipeline
_ r (22) -
pipeline
_ rw (22) -
pipeline
_ start (22) -
pipeline
_ w (22) - popen (154)
- pos (11)
- pos= (11)
- prepend (8)
- print (44)
- printf (66)
- proc (18)
-
proc
_ call (11) -
proc
_ invoke (11) -
proc
_ s _ new (11) -
proc
_ yield (11) -
process
_ args (12) -
processing
_ instruction (11) -
progress
_ reporter (11) -
public
_ send (22) - push (11)
- putc (11)
- puts (22)
-
rb
_ apply (11) -
rb
_ ary _ aref (11) -
rb
_ call (11) -
rb
_ call0 (11) -
rb
_ call _ super (11) -
rb
_ class _ initialize (11) -
rb
_ class _ instance _ methods (11) -
rb
_ class _ new _ instance (11) -
rb
_ class _ private _ instance _ methods (11) -
rb
_ class _ protected _ instance _ methods (11) -
rb
_ class _ s _ new (11) -
rb
_ cont _ call (11) -
rb
_ define _ global _ function (11) -
rb
_ define _ method (11) -
rb
_ define _ method _ id (11) -
rb
_ define _ module _ function (11) -
rb
_ define _ private _ method (11) -
rb
_ define _ protected _ method (11) -
rb
_ define _ singleton _ method (11) -
rb
_ eval _ cmd (11) -
rb
_ exec (1) -
rb
_ exec _ arg _ addopt (1) -
rb
_ exec _ arg _ fixup (1) -
rb
_ exec _ arg _ init (1) -
rb
_ exec _ err (1) -
rb
_ f _ abort (11) -
rb
_ f _ array (11) -
rb
_ f _ caller (11) -
rb
_ f _ eval (11) -
rb
_ f _ exit (11) -
rb
_ f _ float (11) -
rb
_ f _ hash (11) -
rb
_ f _ integer (11) -
rb
_ f _ load (11) -
rb
_ f _ missing (11) -
rb
_ f _ raise (11) -
rb
_ f _ send (11) -
rb
_ f _ string (11) -
rb
_ f _ throw (11) -
rb
_ f _ trace _ var (11) -
rb
_ f _ untrace _ var (11) -
rb
_ fork (1) -
rb
_ fork _ err (1) -
rb
_ funcall (11) -
rb
_ funcall2 (11) -
rb
_ funcall3 (11) -
rb
_ iterate (11) -
rb
_ mod _ attr (11) -
rb
_ mod _ attr _ accessor (11) -
rb
_ mod _ attr _ reader (11) -
rb
_ mod _ attr _ writer (11) -
rb
_ mod _ cmp (11) -
rb
_ mod _ define _ method (11) -
rb
_ mod _ eqq (11) -
rb
_ mod _ ge (11) -
rb
_ mod _ gt (11) -
rb
_ mod _ include (11) -
rb
_ mod _ le (11) -
rb
_ mod _ lt (11) -
rb
_ mod _ modfunc (11) -
rb
_ mod _ module _ eval (11) -
rb
_ mod _ private (11) -
rb
_ mod _ private _ method (11) -
rb
_ mod _ protected (11) -
rb
_ mod _ public (11) -
rb
_ mod _ public _ method (11) -
rb
_ obj _ call _ init (11) -
rb
_ obj _ dup (11) -
rb
_ obj _ extend (11) -
rb
_ obj _ instance _ eval (11) -
rb
_ obj _ respond _ to (11) -
rb
_ obj _ singleton _ methods (11) -
rb
_ proc _ exec _ n (1) -
rb
_ protect (11) -
rb
_ scan _ args (11) -
rb
_ thread _ create (11) -
rb
_ thread _ initialize (11) -
rb
_ thread _ join _ m (11) -
rb
_ thread _ raise (11) -
rb
_ thread _ raise _ m (11) -
rb
_ thread _ s _ new (11) -
rb
_ thread _ start (11) -
rb
_ thread _ start _ 0 (11) -
rb
_ thread _ yield (11) -
rb
_ undefined (11) -
rdoc
/ parser / ruby (11) - read (33)
-
read
_ nonblock (11) - readbyte (11)
- readchar (11)
- readline (33)
- readlines (44)
- readpartial (11)
- receiver (11)
- recover (11)
-
resolve
_ args (11) - resume (11)
-
ret
_ args (11) - rewind (11)
- ruby (11)
-
ruby 1
. 6 feature (11) -
rubygems
/ commands / environment _ command (11) - rule (11)
- run (23)
-
run
_ rdoc (11) -
run
_ single _ final (11) -
safe
_ ln (11) - say (11)
- search (11)
-
search
_ with _ source (11) - seek (11)
- send (22)
-
set
_ arg _ names (11) -
set
_ encoding (33) -
set
_ method _ visibility (11) -
set
_ trace _ func (22) - setproperty (11)
-
setup
_ argv (1) - shift (11)
- site (11)
- skip (11)
- spawn (33)
-
specific
_ eval (11) -
specific
_ extra _ args (11) -
specific
_ extra _ args _ hash (11) - sprintf (11)
- src (11)
-
st
_ foreach (11) - start (11)
- syscall (11)
- sysconf (11)
- sysopen (11)
- system (22)
- target (22)
- target= (11)
- task (11)
- tell (11)
-
terminate
_ interaction (11) -
to
_ a (55) -
to
_ enum (44) -
to
_ h (17) -
to
_ hash (11) -
to
_ i (11) -
to
_ io (11) -
to
_ json (132) -
to
_ s (27) -
to
_ set (22) -
to
_ write _ io (11) -
top
_ include (11) -
top
_ private (11) -
top
_ public (11) - transfer (11)
-
try
_ convert (11) - tsort (11)
- umcall (11)
-
umethod
_ call (11) - warn (11)
- warning (22)
- with (2)
-
with
_ defaults (11) -
with
_ index (16) -
with
_ object (11) - wrap (11)
- write (11)
- yield (22)
- クラス/メソッドの定義 (11)
- メソッド呼び出し(super・ブロック付き・yield) (11)
- リテラル (11)
- 手続きオブジェクトの挙動の詳細 (11)
検索結果
先頭5件
-
static NODE * arg
_ add(NODE *node1 , NODE *node2) (26100.0) -
-
static NODE * arg
_ blk _ pass(NODE *node1 , NODE *node2) (26100.0) -
-
static NODE * arg
_ concat(NODE *node1 , NODE *node2) (26100.0) -
-
static NODE * arg
_ prepend(NODE *node1 , NODE *node2) (26100.0) -
-
static char * arg
_ defined(VALUE self , NODE *node , char *buf , char *type) (26100.0) -
-
static void arg
_ ambiguous(void) (26100.0) -
メソッド引数の括弧が省略され、最初の引数の一文字目が 演算子とも解釈できる場合に警告を出します。
メソッド引数の括弧が省略され、最初の引数の一文字目が
演算子とも解釈できる場合に警告を出します。 -
Complex
# arg -> Float (15155.0) -
自身の偏角を[-π,π]の範囲で返します。
...3, Math::PI/2).arg # => 1.5707963267948966
//}
非正の実軸付近での挙動に注意してください。以下の例のように虚部が 0.0 と
-0.0 では値が変わります。
//emlist[例][ruby]{
Complex(-1, 0).arg #=> 3.141592653589793
Complex(-1, -0).arg #=......> 3.141592653589793
Complex(-1, -0.0).arg #=> -3.141592653589793
Complex(0, 0.0).arg #=> 0.0
Complex(0, -0.0).arg #=> -0.0
Complex(-0.0, 0).arg #=> 3.141592653589793
Complex(-0.0, -0.0).arg #=> -3.141592653589793
//}
@see Numeric#arg... -
Numeric
# arg -> 0 | Math :: PI (15119.0) -
自身の偏角(正の数なら 0、負の数なら Math::PI)を返します。
...自身の偏角(正の数なら 0、負の数なら Math::PI)を返します。
//emlist[例][ruby]{
1.arg # => 0
-1.arg # => 3.141592653589793
//}
Numeric のサブクラスは、このメソッドを適切に再定義しなければなりません。
@see Complex#arg... -
Float
# arg -> 0 | Float (15113.0) -
自身の偏角(正の数なら 0、負の数なら Math::PI)を返します。
...自身の偏角(正の数なら 0、負の数なら Math::PI)を返します。
//emlist[例][ruby]{
1.arg # => 0
-1.arg # => 3.141592653589793
//}
ただし、自身が NaN(Not a number) であった場合は、NaN を返します。... -
ARGF
. class # argv -> Array (9100.0) -
Object::ARGV を返します。
...Object::ARGV を返します。
ARGF が ARGV をどう扱うかについては ARGF を参照してください。
例:
$ ruby argf.rb -v glark.txt
ARGF.argv #=> ["-v", "glark.txt"]...