Print Page - How to make destructive function

Title: How to make destructive function
Post by: ssqq on July 15, 2016, 02:09:09 AM

some newLISP builtin function is destructive, If user want design destructive function, how to make it?

for every argument passed into user function is value, not reference only if value is stored in a functor.

Title: Re: How to make destructive function
Post by: TedWalther on July 15, 2016, 01:12:08 PM

I suggest, use a macro, or else pass in a symbol, you can alter the value that a symbol points to.

Title: Re: How to make destructive function
Post by: ssqq on July 16, 2016, 03:19:00 AM

thanks, I think macro may be ok!

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Forum => Anything else we might add? => Topic started by: ssqq on July 15, 2016, 02:09:09 AM