Hi Alex,
> - '_htSet' is not correct. Though it protects the pattern variables
> ('@N', '@V' and '@Z') with 'use', it does not initialize '@Z'. So if
> the 'match' in '_htSet' succeeds, '@Z' will be bound to a new value
> and everything is OK. But if the 'match' fails, '@Z' is not bound and
> may contain any random value.
>
> Now I changed the third line of '_htSet' :
>
> (de _htSet ("Var" Val)
> (use (@N @V @Z)
> (off @N @Z) # added '@Z'
> (setq "Var"
Why is 'use' + 'off' prefered to 'let'? What is the difference
between:
(use (@N @V @Z)
(off @N @Z)
and:
(use @N
(let (@N NIL @Z NIL)
Thank you,
Tomas
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