Changes between Version 1 and Version 2 of Keywords


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Timestamp:
05/04/11 19:02:57 (6 years ago)
Author:
arcfide
Comment:

Talk about R6RS

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  • Keywords

    v1 v2  
    11There seems to be a serious issue with how we handle keywords (by which we mean, things like the `else` in `cond`). R5RS was vague on the matter, and each choice of implementation approach seems to have issues. 
     2 
     3The R6RS standard decided to use explicitly exported and defined auxiliary syntax values, where every syntax-rules literals clause matched hygienically using `free-identifier=?`. 
    24 
    35Let's summarise the issues with different approaches.