[racket] provide and require in submodules

Slight correction.  Comment line was too long and wrapped over.




---------- Forwarded message ----------
From: Harry Spier <vasishtha.spier at gmail.com>
Date: Tue, Nov 20, 2012 at 11:19 PM
Subject: provide and require in submodules
To: users <users at racket-lang.org>



Dear list members,



This works in DrRacket:
definitions window
-------------------------
#lang racket
(module+ server
(provide a-from-server)
(define a-from-server 'a-from-server))

(module+ client
(module server2 racket 
(provide b-from-server2)
(define b-from-server2 'b-from-server2))

(require (submod ".." server))
(provide (all-from-out (submod ".." server))) 

(require 'server2)
(provide (all-from-out (submod "." server2))))

(module+ main
(require (submod ".." client))
a-from-server
b-from-server2)


Results in interactions window
---------------
>
'a-from-server
'b-from-server2


BUT the following gives me the error: "all-from-out: no corresponding require in: (quote server2)"
Could someone explain why I'm getting this error.


Definitions window
------------------
#lang racket
(module+ server
(provide a-from-server)
(define a-from-server 'a-from-server))

(module+ client
(module server2 racket 
(provide b-from-server2)
(define b-from-server2 'b-from-server2))

(require (submod ".." server))
(provide (all-from-out (submod ".." server))) 

(require 'server2)
(provide (all-from-out 'server2)))  ;;;CHANGED (submod "." server2) 
                                                      ;;;;;TO 'server2

(module+ main
(require (submod ".." client))
a-from-server
b-from-server2)


Thanks,
Harry Spier
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