make-condition

ToC

Allegro CL

ANSI Common Lisp

9 Conditions

9.2 Dictionary of Conditions

9.2.30 make-condition

Function

Syntax:

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~%" 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.

Allegro CL Implementation Details:

None.