For the love of the almighty I have yet to understand the purpose of the symbol 'iamasymbol
. I understand numbers, booleans, strings... variables. But symbols are just too much for my little imperative-thinking mind to take. What exactly do I use them for? How are they supposed to be used in a program? My grasp of this concept is just fail.
转载于:https://stackoverflow.com/questions/8846628/what-exactly-is-a-symbol-in-lisp-scheme