Class List
- ArgumentError < StandardErrorTop Level Namespace
 - Array < ObjectTop Level Namespace
 - BasicObject < QnilTop Level Namespace
 - Binding < ObjectTop Level Namespace
 - Class < ModuleTop Level Namespace
 - ClosedQueueError < StopIterationTop Level Namespace
 - ComparableTop Level Namespace
 - Complex < NumericTop Level Namespace
- compatible < ObjectComplex
 
 - Continuation < ObjectTop Level Namespace
 - Data < ObjectTop Level Namespace
 - Dir < ObjectTop Level Namespace
 - ENV < ObjectTop Level Namespace
 - EOFError < IOErrorTop Level Namespace
 - Encoding < ObjectTop Level Namespace
- CompatibilityError < EncodingErrorEncoding
 - Converter < ObjectEncoding
 - ConverterNotFoundError < EncodingErrorEncoding
 - InvalidByteSequenceError < EncodingErrorEncoding
 - UndefinedConversionError < EncodingErrorEncoding
 
 - EncodingError < StandardErrorTop Level Namespace
 - EnumerableTop Level Namespace
 - Enumerator < ObjectTop Level Namespace
 - ErrnoTop Level Namespace
 - Exception < ObjectTop Level Namespace
 - FalseClass < ObjectTop Level Namespace
 - Fiber < ObjectTop Level Namespace
 - FiberError < StandardErrorTop Level Namespace
 - File < IOTop Level Namespace
 - FileTestTop Level Namespace
 - Float < NumericTop Level Namespace
 - FloatDomainError < RangeErrorTop Level Namespace
 - FrozenError < RuntimeErrorTop Level Namespace
 - GCTop Level Namespace
 - Hash < ObjectTop Level Namespace
 - IO < ObjectTop Level Namespace
- Buffer < ObjectIO
- AccessError < RuntimeErrorIO::Buffer
 - AllocationError < RuntimeErrorIO::Buffer
 - InvalidatedError < RuntimeErrorIO::Buffer
 - LockedError < RuntimeErrorIO::Buffer
 - MaskError < ArgumentErrorIO::Buffer
 
 - EAGAINWaitReadable < EAGAINIO
 - EAGAINWaitWritable < EAGAINIO
 - EINPROGRESSWaitReadable < EINPROGRESSIO
 - EINPROGRESSWaitWritable < EINPROGRESSIO
 - EWOULDBLOCKWaitReadable < EWOULDBLOCKIO
 - EWOULDBLOCKWaitWritable < EWOULDBLOCKIO
 - TimeoutError < IOErrorIO
 
 - IOError < StandardErrorTop Level Namespace
 - IndexError < StandardErrorTop Level Namespace
 - Integer < NumericTop Level Namespace
 - Interrupt < SignalExceptionTop Level Namespace
 - KernelTop Level Namespace
 - KeyError < IndexErrorTop Level Namespace
 - LoadError < ScriptErrorTop Level Namespace
 - LocalJumpError < StandardErrorTop Level Namespace
 - MarshalTop Level Namespace
 - MatchData < ObjectTop Level Namespace
 - MathTop Level Namespace
- DomainError < StandardErrorMath
 
 - Method < ObjectTop Level Namespace
 - Module < ObjectTop Level Namespace
 - NameError < StandardErrorTop Level Namespace
- message < ObjectNameError
 
 - NilClass < ObjectTop Level Namespace
 - NoMatchingPatternError < StandardErrorTop Level Namespace
 - NoMatchingPatternKeyError < NoMatchingPatternErrorTop Level Namespace
 - NoMemoryError < ExceptionTop Level Namespace
 - NoMethodError < NameErrorTop Level Namespace
 - NotImplementedError < ScriptErrorTop Level Namespace
 - Numeric < ObjectTop Level Namespace
 - Object < BasicObjectTop Level Namespace
 - ObjectSpaceTop Level Namespace
- WeakKeyMap < ObjectObjectSpace
 - WeakMap < ObjectObjectSpace
 
 - Proc < ObjectTop Level Namespace
 - ProcessTop Level Namespace
 - Ractor < ObjectTop Level Namespace
- ClosedError < StopIterationRactor
 - Error < RuntimeErrorRactor
 - IsolationError < ErrorRactor
 - MovedError < ErrorRactor
 - MovedObject < BasicObjectRactor
 - RemoteError < ErrorRactor
 - Selector < ObjectRactor
 - UnsafeError < ErrorRactor
 
 - RandomTop Level Namespace
- FormatterRandom
 
 - Range < ObjectTop Level Namespace
 - RangeError < StandardErrorTop Level Namespace
 - Rational < NumericTop Level Namespace
- compatible < ObjectRational
 
 - Refinement < ModuleTop Level Namespace
 - Regexp < ObjectTop Level Namespace
- TimeoutError < RegexpErrorRegexp
 
 - RegexpError < StandardErrorTop Level Namespace
 - RubyVM < ObjectTop Level Namespace
- AbstractSyntaxTreeRubyVM
 - InstructionSequence < ObjectRubyVM
 - Shape < ObjectRubyVM
 
 - RuntimeError < StandardErrorTop Level Namespace
 - ScriptError < ExceptionTop Level Namespace
 - SecurityError < ExceptionTop Level Namespace
 - SignalTop Level Namespace
 - SignalException < ExceptionTop Level Namespace
 - StandardError < ExceptionTop Level Namespace
 - StopIteration < IndexErrorTop Level Namespace
 - String < ObjectTop Level Namespace
 - Struct < ObjectTop Level Namespace
 - Symbol < ObjectTop Level Namespace
 - SyntaxError < ScriptErrorTop Level Namespace
 - SystemCallError < StandardErrorTop Level Namespace
 - SystemExit < ExceptionTop Level Namespace
 - SystemStackError < ExceptionTop Level Namespace
 - Thread < ObjectTop Level Namespace
- Backtrace < ObjectThread
- Location < ObjectThread::Backtrace
 
 - ConditionVariable < ObjectThread
 - Mutex < ObjectThread
 - Queue < ObjectThread
 - SizedQueue < ObjectThread
 
 - ThreadError < StandardErrorTop Level Namespace
 - ThreadGroup < ObjectTop Level Namespace
 - Time < ObjectTop Level Namespace
 - TracePoint < ObjectTop Level Namespace
 - TrueClass < ObjectTop Level Namespace
 - TypeError < StandardErrorTop Level Namespace
 - UnboundMethod < ObjectTop Level Namespace
 - UncaughtThrowError < ArgumentErrorTop Level Namespace
 - UnicodeNormalizeTop Level Namespace
 - WarningTop Level Namespace
- buffer < StringWarning
 
 - ZeroDivisionError < StandardErrorTop Level Namespace
 - fatal < ExceptionTop Level Namespace