Re: Does this 'and' construct make sense?

[Jacques Menu]

Hello Urs,

You’re right, "#t or X" is always #t, and "#t and X" is just X.

JM

> Le 6 mars 2015 à 08:25, Urs Liska <address@hidden> a écrit :
> 
> I find
> 
> %% switch on debugging.
> #(if (and #t (defined? 'set-debug-cell-accesses!))
>  (set-debug-cell-accesses! 5000))
> 
> (found in init.ly)
> 
> strange.
> Wouldn't it be better ot simply remove the 'and' construct?
> #t evaluates to #t always, isn't it?
> 
> Or is this one more Scheme subtlety I don't get?
> 
> Best
> Urs
> 
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