Re: #[unspecified return value]

Ago Sukanovic (asukanov@VT.EDU)
Thu, 15 Mar 2001 22:00:23 -0500

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Message-ID:  <000b01c0adc5$3f33dd20$0201a8c0@asshole>
Date:         Thu, 15 Mar 2001 22:00:23 -0500
From: Ago Sukanovic <asukanov@VT.EDU>
Subject:      Re: #[unspecified return value]

My two cents:

(define (isnull list1)
    (cond
    ((null? list1) "This is an empty list.")
    (else (...))
    )
)

If you run this with:

1 ] (isnull '())

you'd get this:

"This is an empty list."

I don't think you are supposed to write to standard output anyway, just have
your diagram-sentence function return an atom stating the error.

----- Original Message -----
From: Christopher Shaw <chshaw4@VT.EDU>
To: <CS3304_11374@LISTSERV.VT.EDU>
Sent: Thursday, March 15, 2001 9:24 PM
Subject: [CS3304_11374] #[unspecified return value]

> ok... I have the program working... the only problem I have is formatting
> the error messages... If I write out the correct error message, I get a
> message after it saying #[unspecified return value]. I can output the
> message in parentheses and get no error. As it stands now I have the
error
> messages printing out, but they dont match the expected output letter for
> letter, so I am missing the points for the lines that have errors. If
> anyone knows how to correct this, or why its happening I would appreciate
> any help.
>
> thanks,
> Chris

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