Re: gentemp deprecation

[Michael Livshin]

Martin Grabmueller <address@hidden> writes:

> The problem is that I can not imagine a way to safely create unique
> symbols, since the only functions left for creating symbols are
> 
>   extern SCM scm_mem2symbol (const char*, scm_sizet);
>   extern SCM scm_str2symbol (const char*);
> 
> which both enter the symbol into the global symbol hash table.  So it
> is always possible to create symbols (i.e. with string->symbol) eq? to
> symbols returned by gensym.  Can anyone else think of a solution
> here?

one option is to make a new primitive
   extern SCM scm_mem2uninterned_symbol (const char*, size_t);

another option is to make a new "unreadable symbol" type and have
`gensym' return those.

[ I have a mild deja vu about this.  wasn't it already discussed at
  length?  if so, what was decided? ]

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