Perl 6 - the future is here, just unevenly distributed

IRC log for #perl6, 2008-02-17

Perl 6 | Reference Documentation | Rakudo

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All times shown according to UTC.

Time Nick Message
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01:42 rakudo_svn r25779 | coke++ | [codingstd]
01:42 rakudo_svn r25779 | coke++ |
01:42 rakudo_svn r25779 | coke++ | Make the shebang slightly more accurate; these are rakudo files, not raw PIR.
01:42 rakudo_svn r25779 | coke++ |
01:42 rakudo_svn r25779 | coke++ | (RT #50802)
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03:07 pugs_svnbot r19931 | lwall++ | [STD] text extractors no longer use @<more> subnodes; heredoc cleanup
03:07 pugs_svnbot diff: http://dev.pugscode.org/changeset/19931
03:07 lambdabot Title: Changeset 19931 - Pugs - Trac
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03:30 meppl good night
03:30 pugs_svnbot r19932 | rhr++ | [STD] typo
03:30 pugs_svnbot diff: http://dev.pugscode.org/changeset/19932
03:30 lambdabot Title: Changeset 19932 - Pugs - Trac
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07:31 pugs_svnbot r19933 | lwall++ | [gimme5] more backtranslations
07:31 pugs_svnbot diff: http://dev.pugscode.org/changeset/19933
07:31 lambdabot Title: Changeset 19933 - Pugs - Trac
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09:43 pugs_svnbot r19934 | putter++ | [misc/red_STD] continuing a first rough transliteration pass through STD.pm.
09:43 pugs_svnbot diff: http://dev.pugscode.org/changeset/19934
09:43 lambdabot Title: Changeset 19934 - Pugs - Trac
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13:18 masak I have a comment about S05:
13:19 masak the list item under "Extensible metasyntax (<...>)" starting "In any case of regex interpolation," seems a bit out of place
13:20 masak all the other list items talk about what can be part of the <...> syntax
13:20 masak but that one (seemingly) doesn't
13:23 masak hm, S05:1193 I think
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13:28 masak also, at "A leading %" under the same section, I'm a bit lost on two accounts. What does it mean to match "like a bare hash", and what does a closure do when it does "whatever it likes"? Some short examples or smartlinks would probably clear it up a bit.
13:28 masak that's S05:1158
13:32 masak what's the difference between 'eager' and 'greedy' backtracking?
13:33 Gothmog_ wasn't that about returning every possible match, eg a, aa, aaa if you match "aaa" ~~ /a+/?
13:33 masak Gothmog_: yes, I think you're right
13:33 pmurias masak: if you use <$var> var is interpolated as a regex
13:36 masak pmurias: yes, it is.
13:38 masak does that have some connection to base hashes that I'm missing?
13:39 pmurias so if the previous items mentions the ways of interpolating a regex, the next one explains it's semantics
13:41 pmurias S05:924 explains how bare hashes interpolate
13:42 masak ah, ok
13:44 pmurias i think an eager backtracking matches the smallest amount of the atom possible at the first try
13:45 pmurias perl -e '"1111" =~ /11*?(1+)/;print "{$1}\n"'
13:45 pmurias print {11}
13:45 pmurias err, perl -e '"1111" =~ /11+?(1+)/;print "{$1}\n"'
13:46 pmurias * prints
13:46 masak so eager backtracking is the opposite of greedy backtracking?
13:46 pmurias yes
13:46 masak ah, ok
13:47 masak I can see how they are, but they don't sound opposite :)
13:47 masak instead of 'eager backtracking' I think I would have talked about 'minimal repetitions'
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14:02 pmurias masak: the polish translation of programming perl uses the terms "minimalistic" and "maximalistic" quantifiers
14:04 masak ok :)
14:04 masak I believe that even in English sometimes they occur as synonyms of 'greedy' and 'reluctant', respectively
14:12 pmurias reluctant would be a good replacement for eager
14:13 pmurias gnu autotools are annoying
14:16 pmurias i want to play with smop a bit but autotools require .deps/repl.Po whatever that is

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Perl 6 | Reference Documentation | Rakudo