雖然這篇autolisp cond鄉民發文沒有被收入到精華區：在autolisp cond這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]autolisp cond是什麼？優點缺點精華區懶人包
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#1Auto Lisp 快速上手- 008 @ 阿貴的AutoLisp程式集 - 隨意窩
Cond (Conditional)多條件函數此函數接受任意數量的list 做為argum @ 阿貴,yakuei88,lisp,autolisp,板金展開,大小頭,四角轉圓展開,彎頭展開,autocad, auto cad, ...
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#2cond - AutoLISP Reference Guide
The cond function accepts any number of lists as arguments. It evaluates the first item in each list (in the order supplied) until one of these items ...
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#3AutoLISP入門4
單元四：快速分類瀏覽AutoLISP功能函數(二). 第九類選擇集、符號表處理功能函數 ... (progn 運算式1 運算式2 ...) 連結其內的運算式為一組,常用於配合if、cond等函數 ...
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#4COND vs. IF | AfraLISP
I see lots of lisp routines that use only the IF function for conditional statements. I think this has a lot to do with the fact that most new AutoLISP ...
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#5AutoLisp函數集_49 — 取得層的全部圖元(getting a layer's ...
end COND ) ; end PROGN ) ; end IF ) ; end WHILE (cond ((and (or (= 16 (getvar "cmdactive")) ; 沒有AutoCAD指令執行中(= 0 (getvar ...
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#6AutoLISP tutorial: system variable and conditional COND
COND is a bit different with IF. When using IF, you can tell AutoCAD to do A when condition is met. Or else, do B. COND will only do things when ...
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#7AutoLisp 簡要筆記 - 台部落
Virtual Lisp 爲了便於autolisp 的開發調試，autodesk 公司推出了Virtual Lisp ... (cond (BoolExpr DoSomething|(progn DoSomethings)) (BoolExpr ...
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#8'if progn' versus 'cond' - AutoLISP, Visual LISP & DCL
For sure, COND is a very powerful statement, one that many advanced programming languages lacks. Quote ...
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#9[討論]lisp迴圈跟if問題 - AutoCAD顧問
是否可以在迴圈時+1+1 +到大於10 時從迴圈跳出來跳到小於10的那邊程式求lisp高手幫忙解惑. thumb_upLike ... 想順便問一下(cond 的用法是否有教學或多一點範例..可提供.
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#10A More Versatile Program Branch- the (cond) Function with ...
A More Versatile Program Branch- the (cond) Function with autolisp in AutoCAD ... Many decision branches are multi-forked—that is, there are several possible ...
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#11AUTOlisp cond用法 - CSDN
csdn已为您找到关于AUTOlisp cond用法相关内容，包含AUTOlisp cond用法相关文档代码介绍、相关教程视频课程，以及相关AUTOlisp cond用法问答内容。
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#12決策- Lisp教學 - 極客書
LISP 的cond特殊構造 ... 在LISP語言中cond結構是最常用的，以允許分支。 ... 在cond 語句中每個子句包含一個條件測試，並要執行的動作。 如果第一次測試下麵的芯線，為test1， ...
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#13LISP - Cond Construct - Tutorialspoint
The cond construct in LISP is most commonly used to permit branching. ... Each clause within the cond statement consists of a conditional test and an action to be ...
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#14ABC's of AutoLISP Chapter 5: Making Decisions with AutoLISP
AutoLISP offers two conditional functions that allow you to build-in some decision making capabilities into your programs. These are the if and cond functions.
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#15CLHS: Macro COND - Common Lisp HyperSpec (TM)
Macro COND. Syntax: cond {clause}* => result*. clause::= (test-form form*). Arguments and Values: test-form---a form. forms---an implicit progn.
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#16LISP - 维基百科，自由的百科全书
Lisp 的最初条件算符 cond ，是后来的 if-then-else 结构的先驱。 Scheme方言的编程者经常使用尾递归表达循环。Scheme在学术计算机科学中的通行性，导致了一些 ...
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#17[Common Lisp] 程式設計教學：基礎概念 - 技術文件
Lisp 的 cond 指令和C 的 if 指令的差別在於前者是表達式，後者是敘述。 運算子(Operator)、函式(Function)、巨集(Macro). 在Algol 家族語言中，會明確 ...
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#18AutoLisp 程式語言快速入門｜1111進修課程
天天使用AutoCAD，卻不曉得如何善用AutoLisp 嗎？ 本課程10 小時告訴你，AutoLisp 原來這樣用~ 一步步帶你快速學會：基礎AutoLisp 語法、彈指間 ... cond 多條件式選項.
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#19LISP cond answer no package - Stack Overflow
Think about the execution/evaluation of the following form: (if (find-package 'foo) (foo:foo-function)). Lisp.
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#20cond (MACRO)
The <body> is a sequence of zero or more LISP expressions. Each <test> expression is evaluated in turn, until one is found whose value is non-NIL.
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#22LISP - 决策 - 易百教程
但是，它会评估的关键形式，并允许根据该键的形式评价多个行动语句。 LISP的cond特殊构造. 在LISP语言中cond结构是最常用的，以允许分支。 cond的语法是：
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#23第十章：宏
對於程式設計師來說， eval 的主要價值大概是作爲Lisp 的概念模型。我們可以想像Lisp 是由一個長的 cond 表達式定義而成: (defun eval (expr env) (cond .
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#24AutoLISP 防止輸入函數回傳空值 - 學而所用
另一個方法是使用 cond ： 來判斷是否回傳空值 nil ，否則給予原本的值。 (setq TheV 10) (setq TheV (cond ((getreal (strcat "\n 輸入新的值：<" (rtos TheV) ...
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#25LISP 条件判断cond - 无涯教程网
LISP 中的cond构造最常用于分支。 cond的语法为- (cond (test1 action1) (test2 action2) ... (testn actionn)). cond - 示例. 创建一个名为main.lisp的新源代码文件， ...
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#26Lesson 8, Conditionals & Getkword - Ron Leigh's Websites
AutoLISP has two conditional functions -- cond and if. (See "5 - Conditionals" in the Catalog of function definitions.) The cond function is the main ...
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#277.6. Conditionals
The traditional conditional construct in Lisp is cond. However, if is much simpler and is directly comparable to conditional constructs in other programming ...
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#28AutoLISP®: Kicking It Up a Notch - Synergis Technologies
(COND, WHILE and IF), querying the drawing header (TBLSEARCH), and some of the more common Visual LISP® functions (VL and VLR) that you can use to write ...
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#29Lisp 入門/第七章條件操作符 - 维基教科书
Cond 操作符编辑. Cond操作符有些複雜。 它的形式為. (cond 分支列表1 分支列表2 分支列表3 ... 分支列表N). 而其中分支列表的構成為(條件p 值e). Cond 操作符將對每 ...
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#30Mehrfach-Verzweigungen in AutoLisp mit Cond
Die Funktion (if) ermöglicht es einem Programm, aufgrund eines Testergebnisses zu verzweigen; Wenn der WENN- oder SONST-Zweig einer (if)-Anweisung aus mehreren ...
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#31Emacs Lisp manual for conditionals - GNU.org
Emacs Lisp has five conditional forms: if , which is much the same as in other languages; when and unless , which are variants of if ; cond , which is a ...
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#32【AutoLISP 条件式】関数 cond 複数の分岐 | Jagaimo LISP
cond は、多分岐条件関数と呼ばれる関数で、条件に合わせていくつもの選択肢を設定することができます。 関数を入れる( ) は、基本的には1つの関数につき1ペアですが、cond ...
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#33Lisp 语言中if和cond有什么区别如果是两个条件if和 ... - 百度知道
cond 语句相当与vb里的case语句，如果是两个条件语句，cond是分支语句，当然在大多数情况下，if和cond语句都能实现，但是有两个条件是用if比较方便和 ...
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#34Using a cond condition function - AutoCAD Tutorial - LinkedIn
Join Josh Modglin for an in-depth discussion in this video, Using a cond condition function, part of Learning AutoLISP & Visual LISP.
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#35Conditionals in LISP - UCSD CSE
Variable Binding in LISP. Function parameters have values bound to them each time the function is called. (defun foo (x). (cond. ((endp x) 'zero).
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#36Simplified Common Lisp reference - cond
Simplified Common Lisp reference. cond. Symbol class: Functions, Evaluation, Flow Control, Definitions and Syntax. Syntax: Symbol type: macro. condvariants ...
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#37AutoCad二次開發-AutoLisp零基礎入門第五節 - 資訊咖
1.if的用法: (defun c:tt(). (if (> a b) · 2.repeat 的用法: 求值: 1+2+3+4+5+...+100=? (defun c:tt () · 3. while的用法. (defun c:tt() · 4.cond用法:.
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#38Lambda calculus - Lisp
(defun subst (x y z) ; From "The Roots of Lisp" by Paul Graham. (cond ((atom z) (cond ((eq z y) x) ('t z))) ('t (cons (subst x y (car z)) (subst x y (cdr z ) ...
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#39Autolisp If - Cond [PDF|TXT] - pdfcookie
Download & View Autolisp If - Cond as PDF for free. More details. Words: 779; Pages: 4. Preview ...
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#40lisp语言cond和if套用_AutoCAD LISP 循环选择语句cond
lisp 语言cond和if套用_AutoCAD LISP 循环选择语句cond ... 第三章LISP语言在CAD道路设计中地各种应用3.1绘制平面任意函数曲线地AutoLISP程序设计在各个工程设计领域中, ...
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#41AutoLisp 程式語言快速入門 - 窩課360
教您善用AutoLisp 程式，提升AutoCAD 繪圖速度，讓繪圖工作事半功倍！ 學習課程前建議的先備能力. ○本課程屬於AutoCAD 2D、3D 機構入門延伸課程，報名前 ...
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#42list - 我定义的cond函数无法正常运行(LISP) - IT工具网
list - 我定义的cond函数无法正常运行(LISP). 标签 list lisp common-lisp atomic conditional-statements. 我试图定义我自己的功能，使我的hw2更容易，但它不起作用你 ...
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#43AutoLISP/423333_cv.lsp at main - GitHub
(cond. ((= p2 "Undo"). (if (= n 0). (princ "\n没有撤消。") (progn. (command "_.undo" "1"). (setq n (- n 1). lst (cdr lst). ss (car lst). p1 (cadr ss).
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#44lisp中的cond函数解读_冰影随风的专栏-程序员宅基地
Although the cond special form is not used as often in the Emacs Lisp sources as if , it is used often enough to justify explaining it. The template for a ...
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#45Help to improve lisp purge - TheSwamp
I have this lisp purge all files in a particular folder is very useful, ... (cond ((setq Dir (vlax-invoke (vlax-get-or-create-object "Shell.
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#46Each test is a predicate that returns NIL (false) or nonNIL (any ...
CONDITIONAL EXPRESSIONS cond. Cond is the most general conditional provided by Lisp. (cond. ( <test1>. <consequents 1> ). ( <test2>. <consequents 2> ).
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#47Scheme note
Scheme和LISP 是很有淵源的都屬於函數語言(functional programming languages)意思是說,盡量把所有的函數都想成/寫成數學上的函數。 ... cond : 多重判斷. (cond
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#48Autolisp在mac os下的互動- IT閱讀
凡是使用Autocad的人都知道，Autocad提供了強大的二次開發功能。其中最基礎的是Autolisp，在此之上還有更加強大的DCL互動，ActiveX物件等功能。 然而，mac ...
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#493.12 Conditionals: if, cond, and, and or - Racket Documentation
Evaluates test-expr. If it produces any value other than #f, then then-expr is evaluated, and its results are the result for the if form.
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#50common-lisp Tutorial => Conditional Constructs
More precisely, cond has zero or more clauses, and each clause has one test followed by zero or more consequents. The entire cond construct selects the first ...
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#51Common Lisp：符号计算简单介绍（第四章） - 简书
cond 是一个经典的lisp函数。它的输入由任意数量的测试结果语句组成，一般形式的cond函数表达式格式竟会在第五章介绍，现在我们先先来熟悉简化版本：.
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#52Lisp's mistake, cond? : r/lisp - Reddit
Basically it's something about too many parentheses in cond . ... Common Lisp's setf and psetf exemplify of how you can have a syntax with ...
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#53Fundamentals of AutoLISP - ninova
AutoLISP has been around for some time now, and programming capability really ... The (cond) function is like a multiple (if) function: if a truth condition ...
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#54学习Emacs Lisp系列五之elisp条件语句 - 南寨小子
cond. 类型其它语言的case语句，按顺序检查每个条件，如果满足则执行对应的body，然后跳出cond语句。 如下代码可以分别执行3个setq表达式再执行cond表达式 ...
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#55If and if else condition and nested if or cond in AutoLISP
If and if else condition and nested if or cond in AutoLISP · (if (condition) · (progn · code to be executed if condition is true · ).
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#56What is cond in Lisp? - Theburningofrome.com
The cond construct in LISP is most commonly used to permit branching. Each clause within the cond statement consists of a conditional test ...
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#57GNU Emacs Lisp Reference Manual - 条件
(訳注：non-nil を返した) clause が(condition body) の形である場合、cond はこの body を implied progn として評価し、その結果を返します。
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#58AUTOLISP畫中心線程式
(cond ((= CEN nil)(setvar "OSMODE" OS))) (prompt "中心線拉出長度<")(princ r)(prompt ">:")(setq r (getdist cen))(terpri)
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#59LISP Best First Search - CS UNM
LISP. ;;; This is one of the example programs from the textbook: ;;; ... (defun insert-by-weight (children sorted-list) (cond ((null children) sorted-list) ...
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#60314_common lisp cond结构_小灰笔记的技术博客
314_common lisp cond结构，完整的emacsandlisp的学习集合整理如下：https://github.com/GreyZhang/g_lisp继续emacs以及lisp的学习， ...
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#61LISP Function that Returns True If Atom Is In List - Codding ...
results---the​ COND is an unusual function which may take any arbitrary number of arguments. Each argument is called a clause, and consists of a list of ...
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#62314_common lisp cond结构 - 程序员大本营
继续emacs以及lisp的学习，接下来看看common lisp中的cond结构。在此之前，先看一段代码：. 为了编辑更加顺手，我在代码编辑的时候没有使用lispbox的emacs而是使用了我 ...
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#63vb有没有像Autolisp中cond一样的函数-Excel VBA程序开发
vb有没有像Autolisp中cond一样的函数，就是当n=1时执行条件1，当n=2时执行条件2，当n=3时执行条件3......谢谢各位兄弟啦.
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#64【if】動作の流れを操る者！AutoLISPの条件分岐を解説
使い勝手のいいAutoLISPコマンドを作成するために役立ちますので、AutoCADを ... 1つの条件分岐 if; 複数式のグループ化 progn; 複数の条件分岐 cond ...
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#65LISP Tutorial 1: Basic LISP Programming
As in many programming languages (e.g. C/C++), LISP evaluates function calls ... (defun list-nth (n L) "Return the n'th member of a list L." (cond ((null L) ...
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#66Logical Operators in LISP - GeeksforGeeks
... in LISP · Bitwise Operators in LISP · Operators in LISP · If Construct in LISP · Predicates in LISP · Do Construct in LISP · Cond ...
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#67AutoCAD二次開發技術（1）AutoLISP - 每日頭條
Autolisp 的命令解釋程序是從嵌套在最深層的函數開始的：. 如：（+ 2.36 （* 2 6 ）） ... < <= > >= and or boole repeat cond while. eq equal if.
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#68Executing multiple statements with if/cond (Lisp) - Physics ...
I have been messing around with Lisp for a few days now, and I have run into a recurring problem with trying to execute multiple things on ...
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#69AutoLISP - III Funções de repetição e condicionais, Obter e ...
são melhor codificados pelo comando cond (Figura F). S. N. N. S. A = 1; 2; 3.
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#70Aprende a programar en AutoLisp Post #15 - DevCADLisp
Vamos avanzando, la función COND te permite establecer una serie de condiciones, especificando acciones de acuerdo con si se cumplen las condiciones, ...
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#71Page 30 - AutoLISP и Visual LISP в среде AutoCAD
ВЕТВЛЕНИЕ Ветвление – это способ управления ходом выполнения программы. AutoLisp имеет две функции ветвления: if и cond. (if тест_выражение выражение_тогда ...
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#72IF, WHEN, UNLESS, CASE, COND - LISPouczek - strona ...
IF. LISP wyposażony jest również w specjalne formy dla wyrażeń warunkowych. IF jest najprostszą z nich. Specjalna funkcja IF bierze trzy argumenty: próba, ...
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#73Please explain how LISP function "cond" works - AUGI Forums
Re: Please explain how LISP function "cond" works. Quote Originally Posted by ccowgill. in the cond function, If something meets condition 1 ...
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#74[Common Lisp] condでの条件分岐 - Qiita
[Common Lisp] condでの条件分岐. CommonLisplisp ... CL-USER> (defun cond-symbol (x) (cond ((eq x 'a) `(symbol is a.)) ...
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#75[心得] 計算2D元體長度by autolisp - 看板Cad_Cae - 批踢踢實業坊
... 跟spline奮鬥lisp使用方法可以參考我前一篇面域加總或其他有討論lisp的文章. ... 起始值變數) (cond ((= mode 1) (progn (setq ss (ssget)) ;圖元 ...
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#76314_common lisp cond structure - Programmer Sought
Emacs lisp and continue to learn, let's look at the structure of cond in common lisp. Prior to this, look at the piece of code:.
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#77设置和重置系统变量- AutoCAD LISP - 问答- 云+社区 - 腾讯云
其中一个涉及LISP，它不能很好地设置系统变量，然后将它们重置为之前的状态。 ... default to "Audio" on null input (setq opt (cond ((getkword ...
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#78关于递归：Lisp中的递归加法 - 码农家园
Recursive Addition in Lisp · 您递归调用 SUM 。 当堆栈溢出时，它将停止。 · 根据代码，缩进是正确的。 cond 会执行一些丢弃的操作( n 或 nil )，然后通过 ...
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#79Mktext (AutoLISP function) | AutoCAD
WIKI-MKTEXT Edit the source code for this function at Mktext (AutoLISP ... 4) ((WCMATCH J "F*") 5) ) JY (COND ((WCMATCH J "L,C*,R*,A*,F*") 0) ((WCMATCH J ...
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#80Prompting with a Default Option | Lee Mac Programming
I would note that the prefixes are used for no other purpose: in AutoLISP, ... (initget "Alpha Beta Gamma") (setq ans (cond ((getkword "\nChoose ...
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#81LISP cond predicate / test for text - BricsCAD Forum
Hi Folks, Trying to learn a little LISP and make a few productivity tools for myself.
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#82lisp cond vs. case - [email protected]
I wonder when it is appropriate to use use cond vs. case,ecase,... case compares using eql, ... This is a general lisp question, but googling for a bit
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#83多条件分岐 cond - AutoLISP 言語入門 - Manual Chair Japan
AutoLISP は AutoCAD のコマンドを拡張するのに主に使われますが、LISPをベース ... この記述が無く、該当する選択枝が無かった場合は、cond 関数は nil を返します。
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#84Free AutoLISP code created by Mark Beggs - JTB World
No support or updates for these AutoLISP tools are planned. ... trmcen 0.0625 trmup 2.3750))) (cond((= choice "T") (setq thk 0.3750 sdcntr 0.0937 sdrad ...
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#85CS 161 Recitation Notes - Basic Lisp Elements
Variables (or atoms as they are called in Lisp) are evaluated as their value if they ... To handle a series of if conditions, Lisp has the COND statement.
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#86Proving Theorems About LISP Functions - UT Austin ...
(COND A B C) in our system is (COND (A B) (T. C)) in traditional LISP and means if A is not NIL then B else C. The user of the theorem-prover supplies function ...
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#87[译] Emacs Lisp 速成
do-stuff 部分可以是任意数量的语句，无需用 progn 封装。 与经典的 switch 不同， cond 可以处理任何测试表达式（它只是依序检验这些表达式），并非 ...
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#88[Lisp] Common LISP Hints 中譯- 程式語言 - Math Pro 數學補給站
Math Pro 數學補給站Common LISP Hints Geoffrey J. Gord ... ... Here's a clever little recursive function which uses cond. You might be
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#89Lisp: COND - UPenn CIS
COND is an unusual function which may take any arbitrary number of arguments. Each argument is called a clause, and consists of a list of ...
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#90AutoCAD中利用AutoLISP开发小程序，实现快速画直线对称 ...
笔者用AutoLISP依据国家标准开发了两个程序，可以很方便地解决直线对称中心线的问题。 ... (cond. ((not cl1 ) (prompt"\n 没有发现实体")).
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#91Essential AutoLISP®: With a Quick Reference Card and a Diskette
When a given test returns non-nil, its body forms are evaluated in order and cond returns whatever the last form evaluated in that body returns.
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#92Autodesk AutoCAD 2022 AutoLISP Developer's Guide: Serdar ...
Examples The initial expression is written as: (cond ((/= (logand mask flg) 0) (list (list txton))) ) Result when Close at the Same Line option is selected: ...
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#93Visual LISP程序设计(AutoCAD 2006)(高等学校计算机基础教育教材精选):
1 AutoLISP 文件的特点 AutoLISP 文件的扩展名为“ .lsp ” ,是由若干个 ... 形式如下: ( defun fun ( x ) ( cond ( ( > X 001 ) ( ( = x 0 ) 2 ) ( ( < X 0 ) 0 ) ...
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#94Concepts in Programming Languages - 第 27 頁 - Google 圖書結果
The Lisp conditional expression (cond(p, eO ...(pnen)) could be written as if pi then ei else if p2 then e2 else if pn then en else no-value in an ...
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#95The AutoCADet's Guide to Visual LISP: Optimize and Customize ...
To see how this happens, find the COND expression in the program code. The first test in COND is to see whether the input line of text in LN matches the ...
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#96AutoLISP - Manual de programare - 第 179 頁 - Google 圖書結果
(cond (<test1> <result1>...)...) Serveote ca funcþie condiþionalã primarã în AutoLISP Aceastã funcþie acceptã orice numãr de liste ca argumente.
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