Module error 

A module defining the various kinds of errors that may arise while executing commands.

Enums

CommandError

An error which may arise when spawning a command process.

ExpansionError

An error which may arise during parameter expansion.

RedirectionError

An error which may arise during redirection.

RuntimeError

An error which may arise while executing commands.

Traits

IsFatalError

Determines whether an error should be treated as “fatal”.