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Class/Module Index
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- Encoding
- Encoding::CompatibilityError
- Encoding::Converter
- Encoding::ConverterNotFoundError
- Encoding::InvalidByteSequenceError
- Encoding::UndefinedConversionError
- Process
- Process::GID
- Process::Status
- Process::Sys
- Process::UID
- Enumerator
- Enumerator::Generator
- Enumerator::Yielder
- File
- File::Constants
- File::Stat
- IO
- IO::WaitReadable
- IO::WaitWritable
- RubyVM
- RubyVM::Env
- RubyVM::InstructionSequence
- GC
- GC::Profiler
- Math
- Math::DomainError
- ARGF
- ArgumentError
- Array
- BasicObject
- Bignum
- Binding
- Class
- Comparable
- Complex
- Continuation
- Data
- Dir
- ENV
- EOFError
- EncodingError
- Enumerable
- Errno
- Exception
- FalseClass
- Fiber
- FiberError
- FileTest
- Fixnum
- Float
- FloatDomainError
- Hash
- IOError
- IndexError
- Integer
- Interrupt
- Kernel
- KeyError
- LoadError
- LocalJumpError
- Marshal
- MatchData
- Method
- Module
- Mutex
- NameError
- NilClass
- NoMemoryError
- NoMethodError
- NotImplementedError
- Numeric
- Object
- ObjectSpace
- Proc
- Random
- Range
- RangeError
- Rational
- Regexp
- RegexpError
- RuntimeError
- ScriptError
- SecurityError
- Signal
- SignalException
- StandardError
- StopIteration
- String
- Struct
- Symbol
- SyntaxError
- SystemCallError
- SystemExit
- SystemStackError
- Thread
- ThreadError
- ThreadGroup
- Time
- TrueClass
- TypeError
- UnboundMethod
- ZeroDivisionError
- fatal
TypeError
Raised when encountering an object that is not of the expected type.
[1, 2, 3].first("two")
raises the exception:
TypeError: can't convert String into Integer