On Mon, Sep 3, 2012 at 10:54 AM, David A. Wheeler <dwhee...@dwheeler.com> wrote: > I said: >> > But with this pair, perhaps you could do: >> > let <* myvar calculate(init) *> >> > ! ... >> > > Alan Manuel Gloria: >> For this behavior, what would the specifications exactly be? > > First cut at semantics: > <* ... *> are like ( ... ) in that they surround a list, but they do NOT turn > off indentation processing. A "<*" resets the "indent" level to a 0-length > string, skips all horizontal whitespace, and then restarts reading an > expression with indentation processing still live. A blank line inside <* > ... *> ends an expression WITHIN the <* ... *>, but stays within <* ... *>; > only eof or active *> can close the <*. Once all that mapping is done, the > range of <* ... *> is replaced with the mapped result. > > Example 1: > <* > > a b c > > d e f > g h i > *> > > In this example, the <* starts a list. It consumes the non-existent > horizontal whitespace, then begins expression processing. The next two > newlines are before an expression, and thus ignored. The "a b c" is an > expression, with indentation processing active, leading to (a b c). It ends > with a blank line. The "d e f" maps to (d e f), and "g h i" maps to (g h i), > but they're stuck within the <* ... *> range. The whole thing maps to: > ((a b c) (d e f) (g h i)) > > Example 2: > foo <* > a b c > d e f > *> > maps to: > (foo ((a b c) (d e f))) > > Example 3: > let <* var1 init(me) *> > ! body > maps to: > (let ((var1 (init me))) > body) > > Of course, I may have made a mistake here, and these might not be the best > semantics. Thoughts? >
The semantics sound fine as described. Impl? Sincerely, AmkG ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Readable-discuss mailing list Readable-discuss@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/readable-discuss
