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irclog.perlgeek.de/perl6book/today | source: github.com/perl6/book/ Set by moderator on 13 December 2009. |
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| Student | "In the first iteration %sets{$p1} is not yet set, so it defaults to a special value called undef. The addition and incrementing operators treat undef as a number with the value of zero." - is that still accurate? I think I recall something about undef doing a vanishing act from Rakudo | 01:14 | |
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| moritz_ | Student: yes, undef is goinig away, and the book needs to be updated | 18:22 | |
| Student | moritz_, thanks, also any chance you can clarify a sentence that confused me a bit: "Between letters you can also use a dash - or a hyphen �, so isn�t and very-cool are valid identifiers.", the hyphen ' | 18:34 | |
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