lisp if
有了cond操作符，我們就相當於擁有了類c語言中的if語句。當然，cond語句比c中的if語句更強大，同時也更難用。在common Lisp中，已經有一個函數if了，它的形式 ... ,LISP - If Construct - The if macro is followed by a test clause that evaluates to t or nil. If the test clause is evaluated to the t, then the action following the test ...
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 lisp if 相關參考資料
第二章：歡迎來到Lisp — ANSI Common Lisp 中文版
本章結束時，你會掌握足夠多的Common Lisp 知識來開始寫程式。 ... 不能用函數來實現，因爲實參在函數呼叫時永遠會被求值，而 if 的特點是，只有最後兩個實參的 ... https://acl.readthedocs.io Lisp 入門第七章條件操作符- 维基教科书，自由的教学读本
有了cond操作符，我們就相當於擁有了類c語言中的if語句。當然，cond語句比c中的if語句更強大，同時也更難用。在common Lisp中，已經有一個函數if了，它的形式 ... https://zh.wikibooks.org LISP - If Construct - Tutorialspoint
LISP - If Construct - The if macro is followed by a test clause that evaluates to t or nil. If the test clause is evaluated to the t, then the action following the test ... https://www.tutorialspoint.com LISP - Cond Construct - Tutorialspoint
LISP - Cond Construct - The cond construct in LISP is most commonly used to ... If the first test following cond, test1, is evaluated to be true, then the related ... https://www.tutorialspoint.com Auto Lisp 快速上手- 008 @ 阿貴的AutoLisp程式集:: 隨意窩 ...
指令只用來測試各項目是否相等. 它不是用在指定某變數的值等於某變數或某數值的. if. (if) 是標準的 if-then-else statement. 在 AutoLISP 裡, 只能寫一項 if statement ... https://blog.xuite.net COND vs. IF | AfraLISP
IF. by Kenny Ramage. Written by David Hoekstra Published on AfraLisp with kind permission. "IF I had a nickel for every COND statement that I ever wrote in lisp, ... https://www.afralisp.net 7.6. Conditionals
The traditional conditional construct in Lisp is cond. However, if is much simpler and is directly comparable to conditional constructs in other programming ... https://www.cs.cmu.edu LISP - 決策- Lisp基礎教程 - 極客書
在LISP語言中cond結構是最常用的，以允許分支。 ... if的語法：. (if (test-clause) (<action1) (action2)). 示例1. 創建一個名為main.lisp一個新的源代碼文件，並在其中 ... http://tw.gitbook.net Conditionals - GNU Emacs Lisp Reference Manual - GNU.org
Conditional control structures choose among alternatives. Emacs Lisp has five conditional forms: if , which is much the same as in other languages; when and ... https://www.gnu.org CLHS: Special Operator IF - Common Lisp HyperSpec (TM)
if test-form then-form [else-form] => result*. Arguments and Values: Test-form---a form. Then-form---a form. Else-form---a form. The default is nil. results---if the ... http://clhs.lisp.se |