매크로
| ` | Backquote |
| , | Comma |
| ,@ | Comma-splice |
| ', | Quote-comma |
quote defmacro
매크로 확장 M-x slime-macroexpand-all (C-c M-m)
매크로를 수정하게 되면 매크로를 쓴 함수 역시 다시 평가해야 하는데 M-x slime-who-macroexpands 로 찾고 C-c C-k로 컴파일
&body (gensym) variable capture
- compile function
- read time - reader macros
- macro expansion time - macros
- compilation time
- run time - function
alexandria:with-gensyms https://alexandria.common-lisp.dev/ https://gitlab.common-lisp.net/alexandria/alexandria
================================================================================================================================================ define-symbol-macro symbol-macrolet
sharpsign(#) - https://www.lispworks.com/documentation/HyperSpec/Body/02_dh.htm
#. read-time evaluation
(defun func1 () :my-func1)
(defun #.(func1) () :kkk)
;;> (:func1) ;;=> :FUNC10 ;;> (:my-func1) ;;=> :KKK
(asdf:defsystem "mysystem" :decription "short description" :long-description #.(uiop:read-file-string (subpathname load-pathname "README.md")))