lisp tutorial

Mozart-oz The mozart-oz language is a new generation of Computer languages jointly developed by Universit ät des Saarlandes, Swedish Institute of Computer Science, and Universit é catholique de Louvain.The language itself has the shadows of haskell, lisp, prolog, c, perl, java, and so on. It has almost all the features you want, such:Constrained programming features:In processing complex constraints, Languages provide search engines., We only need to

the period 2. Check syntax errors by code color Omitted 3. Use the syntax check function to check for syntax errors (1) Use the syntax detection function to detect possible syntactic errors 1. Parentheses or double quotation marks do not match. 2. The variable name assigned or the defined function name is incorrect. 3. The number of parameters for calling a function is different from the number of parameters required by the function. 4. the syntax of some special functions is i

stopEx 7.30(Mapcar # ' Append Words (mapcar # ' list ' (Uno dos tres quatro cinco))7.12 function functions' Represent function quote , # ' means function function , # ' cons equivalence with (function cons)> ' conscons> # ' cons## ' Returns a function object that can be called with Funcall> (setf G # ' (Lambda (x) (* x))) #7.13 Kwargs for applicative operators:from-endsuch as keyword parameters can also be applied to find-if,remove-if,reduce these functions> (Reduce # ' Cons ' (a b C D e)) ((((

Second -- User-Defined Functions If you want to define your own function, you can use the "defun" function. The format of the defun function is: (defun A1 (A2) (A3 )). Where: A1 is the identifier of the function you want to define. It is usually a function name represented by a string; A2 is the list of parameters (one or more parameters) of the function to be defined. brackets are required; A3 is the expression used to calculate the defined function, that is, the function body. Parenth

Let macro of Common LISP is defined as follows: (Defmacro our-left (binds Body) '(lambda, (mapcar #' (lambda (x) (if (consp X) (Car X )) binds), @ body), @ (mapcar # '(lambda (x) (if (consp X) (cadr x) Nil )) binds); (Our-left (x 1) (Y 2) (+ x y) after expansion, it becomes => (lambda (x y) (+ x y) 1 2) here we can easily see that let is actually a Lambda syntactic sugar :) The let macro of scheme is defined as follows: (Defien-syntax let

Emacs Debugging ConsiderationsEmacs Debugging has a pit, first El file will be compiled to ELC file, causing me to modify the source code is not effective, I also set a breakpoint, interrupt in the ELC file only to find the problem. Error debuggingError I think is the easiest to debug, because this kind of obvious error is easy to trace, the following are several ideas:-–debug-init Startup Parameters-Debug-on-error Slow ReflectionExecute the code First and press C-g when Emacs doesn't respond.(

Find square rootSuccessive averaging DUE to HERON of ALEXANDRIA* * to FIND a approximation to SQRT (X) * * Makr A GUESS G IMPROVE the GUESS by averaging G and x/g KEEP improving the GUESS untile IT is good enough Use 1 as an INITIAL GUESSAlgorithmic thinking(define (try guess x)(if (good-enough? guess x) guess (try (improve guess x) x)))(define (sqrt x) (try 1 x))Reference CodeNote: This code comes from 48974029(define (square x) (* x x)) //定义求平方 (define (average x y)

工欲善其事 its prerequisite, this article began to record the use of Lisp environment problems. Operating environment I have two recommended ways: 1, Lispbox 2. Sublime text + SBCL The first way to do this is to download a compressed package. The. bat file in the pressurized operation will open The second way to configure the sublime text of the compilation system needs to be configured 1, first to download SBCL and installation, installati

In CL, we can do this: 1 $ sbcl2 * (+ 1 2 3)3 64 * ( In simple terms, the + and Therefore, after the variable parameter template is available in C ++ 11, you can add multiple parameters and compare multiple parameters. 1 #include 2 template 3 bool

I saw this just now and suddenly I was scared. I saw this just now and suddenly I was scared. Reply content: Station A makes it clear whether it is Common Lsip, Racket, Scheme or ...... nonsense. PHP is the best language. I don't know how to watch

The previous distributed compilation and releaseProgramIt uses sbcl + clsql + MySQL and is basically normal. In this statistical back-end, the database switched to ipvs and continued to use clsql to connect. The result was a very crazy problem:  

The best way to thinkFUNCTIONIs as a specialKind of quotation.  QUOTEIng a symbol prevents it from being evaluated at all, Resulting in the symbol itself rather than the value of the variable named by that symbol. From

The parameter l of the function (aleph l) is a set, and the returned value is a new set composed of all subsets of the set as elements. Functions (ALEPH-n l n) are multiple recursive calls to (aleph l. The following code is compiled in drracket. #

Write a program that traverses the prime number (defun primep (number) (when (> number 1) (loop for fac from 2 to (isqrt number) never (zerop (mod number fac)))))(defun next-prime (number) (loop for n from number when (primep n) return