Further Perl 6 Adventures

By Mike Friedman on January 18, 2016 9:55 PM

Howdy, peoples! I've written a few more posts on my blog about my adventures exploring Perl 6.

Exploring Perl 6: Sigil Invariance is all about the basic rules for variable sigils in Perl 6 and how they differ from previous Perls.
Exploring Perl 6: Numeric Types covers the built-in number types in Perl 6, including the fantastically useful native support for rationals, and even complex numbers!
Exploring Perl 6: Hyper Operators goes into detail about how to apply binary operators through pairs of lists.
Exploring Perl 6: Meta Operators looks at some more operators that change operators, including reductions, zips, crosses, and reversals.
Exploring Perl 6: Signatures, Part 1 is the first part of a series looking at Perl 6's incredibly versatile function signature features

More posts are coming as I dive deeper into Perl 6 and learn more. Enjoy!

3 Comments

john napiorkowski | January 19, 2016 2:19 PM | Reply

Have you figured out how (or if we can) inspect the signatures prior to calling a method? like a ->meta->method('xx')->signature or something

Liz | January 19, 2016 2:58 PM | Reply



$ 6 'sub a($a,$b) { }; &a.signature.perl.say'

:($a, $b)

$ 6 'my $b = -> $a,$b { }; $b.signature.perl.say'

:($a, $b)

Signatures are an object, just like any other thing in Perl 6. Any Callable has it, and it can be obtained with the .signature method.

john napiorkowski replied to comment from Liz | January 19, 2016 6:48 PM | Reply

thank you Liz!

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Mike Friedman is a professional computer programmer living and working in the New York City area.