Re: [Chicken-users] char=? question

[Ivan Raikov]

  What are W1, W2, bar1, bar2? They are not defined anywhere...

(char=? #\R (vector-ref (vector #\W #\R) 1)) returns #t as expected. 

    -Ivan


William Ramsay <address@hidden> writes:

> A quick question.    I may be going going insane.
>
> I have the following code:
>
>      (define foo
>         (lambda (v)
>            (let
>               ((wa (vector-ref v W1))
>                (wb (vector-ref v W2)))
>
>            (if  (> wb 0)
>                (if  (char=? wa #\R)
>                    (bar1  wa wb)
>                    (bar2 wa wb))))))
>
> This gets a char from the vector, checks to see if it is an R or an S
> and does it's thing.   The problem is that the test for (char=? wa
> #\R) ALWAYS is false.    The vector contains R's and S's.    Testing
> the value of wa with (char? wa) is true.
>
> What on earth is going on and what else can I use to check for an R or
> an S????
>
> Bill