Bill Venners wrote:
> Hi All,
>
> How do people feel about hd for variables that will hold the head of a
> list, ls for list, etc. What about pred for predicate? Seems if there
>
I prefer head, list and predicate, but 'pred' is more acceptable than
'hd' or 'ls'.
> Dave Astels once said, whatever you would answer when asked what a
> particular variable is, that is what you should name that variable.
>
That's a nice heuristic. I prefer longer names and feel anything up to
about 7-10 chars in length should be written out in full. As the length
increases, abbreviation becomes more appropriate and almost mandatory
beyond 20 chars .
However convention establishes some shorter forms, eg x and xs for
pieces of lists, f and g for opaque function values.
-Ben
> Sometimes that approach can result in long variables that can obscure
> the logic, and I think sometimes an abbreviation makes things more
> readable. But I seem to lean more towards longer more descriptive
> variable names than others in my sphere of peers. When would you
> shorten or abbreviate a variable name, and how short would you go?
>
> Bill
> ----
> Bill Venners
> Artima, Inc.
>
http://www.artima.com>
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