From the course: Learning AutoLISP & Visual LISP
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Creating a defined function - AutoCAD Tutorial
From the course: Learning AutoLISP & Visual LISP
Creating a defined function
- [Instructor] When it comes to programming, a named section of a program that performs a specific task is called a function. What is more, LISP is a functional programming language. So we're going to talk a lot throughout this course about functions. LISP contains many built-in functions that we're going to learn about, and we're also going to create our own named sections of programming that will perform specific tasks. So when we create a defined function within LISP, the function will always return a value. If we haven't specified the value, the key is that it will simply return the end result of the last line in the function for that list that creates the function. Of course, to create a function of our own, our LISP file, we have to use a LISP function. You see how often we're going to be talking about functions. I'm going to create a new LISP file, and inside the LISP file, I'm going to create or define our own function. We use the LISP routine or LISP function named DEFUN…
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