Perl 6 - the future is here, just unevenly distributed

IRC log for #marpa, 2016-02-28

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All times shown according to UTC.

Time Nick Message
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05:36 ronsavage I had a bit of food poisoning yesterday, and feel weak today but much better, so no work on Regexp::Parsertron (again).
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11:15 Topic for #marpa is now Start here: http://savage.net.au/Marpa.html - Pastebin: http://scsys.co.uk:8002/marpa - Jeffrey's Marpa site: http://jeffreykegler.github.io/Marpa-web-site/ - IRC log: http://irclog.perlgeek.de/marpa/today
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11:40 Topic for #marpa is now Start here: http://savage.net.au/Marpa.html - Pastebin: http://scsys.co.uk:8002/marpa - Jeffrey's Marpa site: http://jeffreykegler.github.io/Marpa-web-site/ - IRC log: http://irclog.perlgeek.de/marpa/today
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11:51 Topic for #marpa is now Start here: http://savage.net.au/Marpa.html - Pastebin: http://scsys.co.uk:8002/marpa - Jeffrey's Marpa site: http://jeffreykegler.github.io/Marpa-web-site/ - IRC log: http://irclog.perlgeek.de/marpa/today
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14:54 Idiosyncrat ronsavage: hope you're feeling better.
14:55 Idiosyncrat re http://irclog.perlgeek.de/marpa/2016-02-24#i_12093254 -- ambiguous words being useful in language.
14:55 Idiosyncrat Sounds interesting.
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19:52 pczarn Should I tag symbols as terminal/nonterminal along the symbol ID in the CFG toolkit?
19:53 pczarn The tradeoff is a choice between allocating a bit vector every time a set of terminals is needed (not often)
19:53 pczarn and updating the entire grammar when a symbol is added
19:54 pczarn a symbol -> a rule
19:54 pczarn and allowing a grammar to have incorrect state
21:21 Idiosyncrat pczarn: not sure I understood the various (3?) choices.
21:21 Idiosyncrat AFK
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22:19 pczarn that's all assuming the type of a symbol is implicit (depends on the existence of a rule LHS)
22:19 pczarn Not provided by the user
22:23 pczarn There's 4th choice: storing and updating the bit set
22:24 pczarn The goal is to check whether a given symbol is a terminal in O(1) instead of O(n)

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