[plt-scheme] Re: Text-contents to a function variable

From: Avi (n4alpaca at gmail.com)
Date: Tue Jan 12 20:23:50 EST 2010

Ok, this is very useful (really shows how much I know), But how would
I plug this into a function? I tried defining a letter as the
numerical value of a string, but it did not work very well, maybe
there are better methods?

On Jan 12, 6:37 pm, Thomas Chust <ch... at web.de> wrote:
> 2010/1/12 Avi <n4alp... at gmail.com>:
> > How would I turn the contents of a text-box or multiple text-boxes
> > into a numerical variable or variables for a function?
> Hello,
> using string->number would be an obvious option.
> On a side note, I think it is potentially misleading to talk about
> "turning [something] into a numerical variable". A program can turn
> *values* of one type into values of another type, but *variables* are
> no first class values in Scheme, but rather named locations holding
> values. Speaking about turning anything into a variable only really
> makes sense in the context of code transformations, for example when
> discussing program design or when looking at code that is part of a
> compiler.
> Ciao,
> Thomas
> --
> When C++ is your hammer, every problem looks like your thumb.
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