9 lines
279 B
Common Lisp
9 lines
279 B
Common Lisp
(defmacro concatenatef (s &rest strs)
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"Append additional strings to the first string in-place."
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`(setf ,s (concatenate 'string ,s ,@strs)))
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(defvar *str* "foo")
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(concatenatef *str* "bar")
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(format T "~a~%" *str*)
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(concatenatef *str* "baz" "abc" "def")
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(format T "~a~%" *str*)
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