restart (ANSI and GNU Common Lisp Document)

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#### 9.2.31 restart [System Class]

#### Class Precedence List::

restart, t

#### Description::

An object of type restart represents a function that can be called to perform some form of recovery action, usually a transfer of control to an outer point in the running program.

An implementation is free to implement a restart in whatever manner is most convenient; a restart has only dynamic extent relative to the scope of the binding form which establishes it.