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Re: [Chicken-janitors] #911: , m still mixes up namespaces and renamings


From: Chicken Trac
Subject: Re: [Chicken-janitors] #911: , m still mixes up namespaces and renamings
Date: Tue, 04 Sep 2012 20:12:49 -0000

#911: ,m still mixes up namespaces and renamings
-------------------------+--------------------------------------------------
  Reporter:  ckeen       |       Owner:                              
      Type:  defect      |      Status:  closed                      
  Priority:  minor       |   Milestone:  4.8.0                       
 Component:  core tools  |     Version:  4.8.x                       
Resolution:  worksforme  |    Keywords:  csi ,m command module system
-------------------------+--------------------------------------------------
Changes (by felix):

  * status:  new => closed
  * resolution:  => worksforme


Comment:

 This is not a bug: in compiled modules, unexported identifiers do truly
 not exist: they are hidden and effectively optimized away, stored in some
 location only known to the compiler. Unexported bindings can be inlined
 and removed completely in many cases. So switching into the module can not
 make them magically appear again. This is different when using interpreted
 code: here even hidden bindings still exist, even if hidden. If you think
 this is an inconsistency between compiled and interpreted code, you are
 right. But the compiler must be able to remove non-exported bindings, for
 performance reasons.

-- 
Ticket URL: <http://bugs.call-cc.org/ticket/911#comment:2>
Chicken Scheme <http://www.call-with-current-continuation.org/>
Chicken Scheme is a compiler for the Scheme programming language.

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