dxf 和assoc
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dxf 和assoc
(setq elist (entget ename))
(setq entna (dxf 0 elist)
请问此处的"dxf"起什么作用,与assoc有什么不一样?
勤能补拙
(defun dxf (code elist)
(cdr (assoc code elist))
)
(setq entna (dxf 0 elist)
==> (cdr (assoc 0 elist)) ===> entna
你的意思大概就是如果用dxf就可省去cdr(assoc,得出的结果一样的,是吧。不知这个理解算不算可以?
勤能补拙