3 thoughts on “Modern Core Perl Slides

  1. Hi,

    First: thanks for sharing!

    Second: I’m very happy to see notices I didn’t know, like the HTTP::Tiny in core, etc too many time without read delta or brew new versions…

    Greetings!

  2. Slide 24 of 61 Smart Match Examples

    In Perl 5.10.0
    perl -le ‘@a=(1,2,3); print “found\n” if @a ~~ 2;’
    found

    perl -le ‘@a=(1,2,3); print “found\n” if 2 ~~ @a;’
    found

    In Perl 5.10.1 and above:

    perl -le ‘@a=(1,2,3); print “found\n” if @a ~~ 2;’
    perl -le ‘@a=(1,2,3); print “found\n” if 2 ~~ @a;’
    found

    You example uses @foo ~~ bar which does not work since 5.10.0. To find scalar in array the array has to be the second.

    1. You’re absolutely right, of course. In my defence, that slide is in the 5.10 section, so the code does work.

      But I should reverse the order of the operands in all of those examples.

      Thanks.

Leave a Reply