simple-condition-format-control, simple-condition-format-arguments

simple-condition-format-control condition → format-control

simple-condition-format-arguments condition → format-arguments

condition — a condition of type simple-condition.

format-control — a format control.

format-arguments — a list.

simple-condition-format-control returns the format control needed to process the condition’s format arguments.

simple-condition-format-arguments returns a list of format arguments needed to process the condition’s format control.

 (setq foo (make-condition 'simple-condition 
                          :format-control "Hi ~S" 
                          :format-arguments '(ho))) 
→ #<SIMPLE-CONDITION 26223553> 
 (apply #'format nil (simple-condition-format-control foo) 
                     (simple-condition-format-arguments foo)) 
→ "Hi HO"

simple-condition, Section 9.1 (Condition System Concepts)