* racket
@ 2018-09-11 19:07 Benjamin Slade
2018-09-12 12:05 ` racket Christopher Lemmer Webber
2018-09-13 12:35 ` racket 宋文武
0 siblings, 2 replies; 3+ messages in thread
From: Benjamin Slade @ 2018-09-11 19:07 UTC (permalink / raw)
To: Guix-Help
When run Racket, in the REPL, the first command I execute runs fine. But
the second (no matter what it is, even if it's just the first again)
always produces:
; ptr-ref: contract violation
; expected: (and/c cpointer? (not/c (lambda (p) (pointer-equal? p #f))))
; given: #f
; argument position: 1st
; [,bt for context]
; ptr-ref: contract violation
; expected: (and/c cpointer? (not/c (lambda (p) (pointer-equal? p #f))))
; given: #f
; argument position: 1st
; [,bt for context]
And it doesn't accept any more input after that point (including ",bt").
--
Benjamin Slade - https://babbagefiles.xyz
`(pgp_fp: ,(21BA 2AE1 28F6 DF36 110A 0E9C A320 BBE8 2B52 EE19))
'(sent by mu4e on Emacs running under GNU/Linux . https://gnu.org )
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: racket
2018-09-11 19:07 racket Benjamin Slade
@ 2018-09-12 12:05 ` Christopher Lemmer Webber
2018-09-13 12:35 ` racket 宋文武
1 sibling, 0 replies; 3+ messages in thread
From: Christopher Lemmer Webber @ 2018-09-12 12:05 UTC (permalink / raw)
To: Benjamin Slade; +Cc: Guix-Help
Benjamin Slade writes:
> When run Racket, in the REPL, the first command I execute runs fine. But
> the second (no matter what it is, even if it's just the first again)
> always produces:
>
> ; ptr-ref: contract violation
> ; expected: (and/c cpointer? (not/c (lambda (p) (pointer-equal? p #f))))
> ; given: #f
> ; argument position: 1st
> ; [,bt for context]
> ; ptr-ref: contract violation
> ; expected: (and/c cpointer? (not/c (lambda (p) (pointer-equal? p #f))))
> ; given: #f
> ; argument position: 1st
> ; [,bt for context]
>
> And it doesn't accept any more input after that point (including ",bt").
Huh... I'm getting this too. I hadn't noticed it because I use
racket-mode for all my REPL hacking, where it isn't appearing (probably
because racket-mode has its own REPL protocol code).
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: racket
2018-09-11 19:07 racket Benjamin Slade
2018-09-12 12:05 ` racket Christopher Lemmer Webber
@ 2018-09-13 12:35 ` 宋文武
1 sibling, 0 replies; 3+ messages in thread
From: 宋文武 @ 2018-09-13 12:35 UTC (permalink / raw)
To: Benjamin Slade; +Cc: Guix-Help
Benjamin Slade <beoram@gmail.com> writes:
> When run Racket, in the REPL, the first command I execute runs fine. But
> the second (no matter what it is, even if it's just the first again)
> always produces:
>
> ; ptr-ref: contract violation
> ; expected: (and/c cpointer? (not/c (lambda (p) (pointer-equal? p #f))))
> ; given: #f
> ; argument position: 1st
> ; [,bt for context]
> ; ptr-ref: contract violation
> ; expected: (and/c cpointer? (not/c (lambda (p) (pointer-equal? p #f))))
> ; given: #f
> ; argument position: 1st
> ; [,bt for context]
>
> And it doesn't accept any more input after that point (including ",bt").
Hello, I fixed it with commit 26700cae. A 'guix pull' and then install
racket again should work.
Thank you for the report!
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-09-11 19:07 racket Benjamin Slade
2018-09-12 12:05 ` racket Christopher Lemmer Webber
2018-09-13 12:35 ` racket 宋文武
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