formatter
formatter Macro
Syntax:
formatter control-string → function
Arguments and Values:
control-string—a format string; not evaluated.
function—a function.
Description:
Returns a function which has behavior equivalent to:
#’(lambda (*standard-output* &rest arguments)
(apply #’format t control-string arguments)
arguments-tail)
where arguments-tail is either the tail of arguments which has as its car the argument that would be processed next if there were more format directives in the control-string, or else nil if no more arguments follow the most recently processed argument.
Examples:
(funcall (formatter "~&~A~A") \*standard-output\* ’a ’b ’c)
▷ AB
→ (C)
(format t (formatter "~&~A~A") ’a ’b ’c)
▷ AB
→ NIL
Exceptional Situations:
Might signal an error (at macro expansion time or at run time) if the argument is not a valid format string.
See Also:
formatExpanded Reference: formatter
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(formatter )