[plt-scheme] symbols redefined in SRFIs

From: Zbyszek Jurkiewicz (zbyszek at mimuw.edu.pl)
Date: Tue Oct 24 07:54:17 EDT 2006

Perhaps not everybody always uses srfi-1.  Some people are just happy with
their own versions of libraries.  Only when SRFI gets standarised 
(whatever this means) implementations will forced to conform to it.
Remember Scheme is a little bit older then srfi (about 30 years to my 


Zbyszek Jurkiewicz

On Tue, 24 Oct 2006, Dan Muresan wrote:

>>  Wouldn't this break all the code that currently relies on the built-in
>>  `reverse'?
> SRFI-1 doesn't seem to say anything special about 'reverse', and it's
> not one of the SRFI-1 conflicts.
> reverse!, on the other hand, is not in R5RS, but only in SRFI-1, so
> the conflict is even more strange. It happens because 'mzscheme'
> provides its own reverse!, which is different from SRFI-1 reverse!.
> Perhaps you misunderstood me -- I'm not saying that the default
> mzscheme language should not export the conflicting symbols; I'm
> suggesting that it should export the SRFI-1 versions directly,
> avoiding a spurious conflict whenever SRFI-1 is (require)'ed.
> -- Dan
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