ArgumentError is for an argument-related error.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

ChannelCloseError is for accessing to the closed channel.

Here defines different error message formats for different types of errors.

ConstantAlreadyInitialisedError means user re-declares twice.

Here defines different error message formats for different types of errors.

Error is the root of the error classes.

Here defines different error message formats for different types of errors.

InternalError is the default error type.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

IOError is an IO error such as file error.

NameError is for a constant-related error.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

NoMethodError is for an intentionally unsupported-method error.

NotImplementedError is for features that have not been implemented.

Here defines different error message formats for different types of errors.

TypeError is for a type-related error.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

Here defines different error message formats for different types of errors.

ZeroDivisionError is for zero-division by Integer/Float value.

Classes a list of error classes to be initialised.