requires=
classes=ARGF,ArgumentError,Array,Bignum,Binding,Class,Comparable,Continuation,Data,Dir,ENV,EOFError,Enumerable,Enumerable=Enumerator,Exception,FalseClass,File,FileTest,File=Constants,File=Stat,Fixnum,Float,FloatDomainError,GC,Hash,IO,IOError,IndexError,Integer,Interrupt,Kernel,LoadError,LocalJumpError,Marshal,MatchData,Math,Method,Module,NameError,NilClass,NoMemoryError,NoMethodError,NotImplementedError,Numeric,Object,ObjectSpace,Precision,Proc,Process,Process=GID,Process=Status,Process=Sys,Process=UID,Range,RangeError,Regexp,RegexpError,RuntimeError,ScriptError,SecurityError,Signal,SignalException,StandardError,StopIteration,String,Struct,Struct=Tms,Symbol,SyntaxError,SystemCallError,Errno,Errno=EXXX,Errno=ERROR,Errno=EPERM,Errno=ENOENT,Errno=ESRCH,Errno=EINTR,Errno=EIO,Errno=ENXIO,Errno=E2BIG,Errno=ENOEXEC,Errno=EBADF,Errno=ECHILD,Errno=EAGAIN,Errno=ENOMEM,Errno=EACCES,Errno=EFAULT,Errno=ENOTBLK,Errno=EBUSY,Errno=EEXIST,Errno=EXDEV,Errno=ENODEV,Errno=ENOTDIR,Errno=EISDIR,Errno=EINVAL,Errno=ENFILE,Errno=EMFILE,Errno=ENOTTY,Errno=ETXTBSY,Errno=EFBIG,Errno=ENOSPC,Errno=ESPIPE,Errno=EROFS,Errno=EMLINK,Errno=EPIPE,Errno=EDOM,Errno=ERANGE,Errno=EDEADLK,Errno=ENAMETOOLONG,Errno=ENOLCK,Errno=ENOSYS,Errno=ENOTEMPTY,Errno=ELOOP,Errno=EWOULDBLOCK,Errno=ENOMSG,Errno=EIDRM,Errno=ECHRNG,Errno=EL2NSYNC,Errno=EL3HLT,Errno=EL3RST,Errno=ELNRNG,Errno=EUNATCH,Errno=ENOCSI,Errno=EL2HLT,Errno=EBADE,Errno=EBADR,Errno=EXFULL,Errno=ENOANO,Errno=EBADRQC,Errno=EBADSLT,Errno=EDEADLOCK,Errno=EBFONT,Errno=ENOSTR,Errno=ENODATA,Errno=ETIME,Errno=ENOSR,Errno=ENONET,Errno=ENOPKG,Errno=EREMOTE,Errno=ENOLINK,Errno=EADV,Errno=ESRMNT,Errno=ECOMM,Errno=EPROTO,Errno=EMULTIHOP,Errno=EDOTDOT,Errno=EBADMSG,Errno=EOVERFLOW,Errno=ENOTUNIQ,Errno=EBADFD,Errno=EREMCHG,Errno=ELIBACC,Errno=ELIBBAD,Errno=ELIBSCN,Errno=ELIBMAX,Errno=ELIBEXEC,Errno=EILSEQ,Errno=ERESTART,Errno=ESTRPIPE,Errno=EUSERS,Errno=ENOTSOCK,Errno=EDESTADDRREQ,Errno=EMSGSIZE,Errno=EPROTOTYPE,Errno=ENOPROTOOPT,Errno=EPROTONOSUPPORT,Errno=ESOCKTNOSUPPORT,Errno=EOPNOTSUPP,Errno=EPFNOSUPPORT,Errno=EAFNOSUPPORT,Errno=EADDRINUSE,Errno=EADDRNOTAVAIL,Errno=ENETDOWN,Errno=ENETUNREACH,Errno=ENETRESET,Errno=ECONNABORTED,Errno=ECONNRESET,Errno=ENOBUFS,Errno=EISCONN,Errno=ENOTCONN,Errno=ESHUTDOWN,Errno=ETOOMANYREFS,Errno=ETIMEDOUT,Errno=ECONNREFUSED,Errno=EHOSTDOWN,Errno=EHOSTUNREACH,Errno=EALREADY,Errno=EINPROGRESS,Errno=ESTALE,Errno=EUCLEAN,Errno=ENOTNAM,Errno=ENAVAIL,Errno=EISNAM,Errno=EREMOTEIO,Errno=EDQUOT,SystemExit,SystemStackError,Thread,ThreadError,ThreadGroup,Time,TrueClass,TypeError,UnboundMethod,ZeroDivisionError,fatal,main
methods=
sublibraries=
is_sublibrary=false
category=Builtin

組み込みライブラリは Ruby 本体に組み込まれているライブラリです。
このライブラリに含まれるクラスやモジュールは、
require を書かなくても使うことができます。
