make-condition (ANSI and GNU Common Lisp Document)

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#### 9.2.30 make-condition [Function]

`make-condition` type &rest slot-initializations ⇒ condition

#### Arguments and Values::

type—a type specifier (for a subtype of condition).

slot-initializations—an initialization argument list.

condition—a condition.

#### Description::

Constructs and returns a condition of type type using slot-initializations for the initial values of the slots. The newly created condition is returned.

#### Examples::

     (defvar *oops-count* 0)

     (setq a (make-condition 'simple-error
                             :format-control "This is your ~:R error."
                             :format-arguments (list (incf *oops-count*))))
    ⇒  #<SIMPLE-ERROR 32245104>

     (format t "~&~A~
     |>  This is your first error.
    ⇒  NIL

     (error a)
     |>  Error: This is your first error.
     |>  To continue, type :CONTINUE followed by an option number:
     |>   1: Return to Lisp Toplevel.
     |>  Debug>

#### Affected By::

The set of defined condition types.

#### See Also::

define-condition , Condition System Concepts