Chapter 4Variables and Assignment
So far, whenever we have putsed a string or a number, the thing we putsed is gone. What I mean is, if we wanted to print something out twice, we would have to type it in twice:
puts '...you can say that again...' |
puts '...you can say that again...' |
...you can say that again... |
...you can say that again... |
It would be nice if we could just type it in once and then hang on to it…store it somewhere. Well, we can, of course. It would have been insensitive to bring it up otherwise.
To store the string in your computer’s memory for use later in your program, you need to give the string a name. Programmers often refer to this process as assignment, and they call the names variables. A variable name can usually ...
Get Learn to Program, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
