There's a talk for that too: https://www.youtube.com/watch?v=7mkmZVIizFY 2016 - Basic OO in Perl 6 - Dave Rolsky
On Tue, Sep 11, 2018 at 1:42 PM Brandon Allbery <allber...@gmail.com> wrote: > I'd like to point out that Todd is from Perl 5, which doesn't distinguish > between subs and methods because its built-in OO is a minimalist hack. An > introduction to true objects might be in order. > > On Tue, Sep 11, 2018 at 8:34 AM Simon Proctor <simon.proc...@gmail.com> > wrote: > >> Also Todd I gave a talk on signatures types and multi methods at The Perl >> Conference this year. >> >> https://www.youtube.com/watch?v=Sy-qb5nXKyc&t=8606s >> >> That should be just before the start. >> >> >> https://www.slideshare.net/SimonProctor8/perl6-signatures-types-and-multicall >> >> Slides are here. >> >> Hope this helps. >> >> Simon >> >> On Tue, 11 Sep 2018 at 13:05 Simon Proctor <simon.proc...@gmail.com> >> wrote: >> >>> 1) why is it a "method" and not a "function"? >>> >>> methods are all on instance of a Class (or Role) they can locally access >>> the instances data via self or $ or ... see below. >>> >>> 1-1/2) why is there a color after a$? What happens to $a? >>> >>> You can as an extra option give your instance object a different name, >>> you seperate that from the rest of the args with a : >>> >>> 2) What is an "invocant"? Does it mean I can access it >>> by placing it after something with a dot? Sort of >>> like >>> contains("abc", "b") >>> "abc".contians("b") >>> >>> The incovant is the object you invoke the method on. It's the thing that >>> gets assigned to self, $ (and whatever else you want to call it) >>> >>> 3) What makes the "invocant" special over the other second >>> and third parameters? >>> >>> See about >>> >>> > class Foo { >>> >>> 4) I see no class called "Foo" over on >>> https://docs.perl6.org/type.html >>> >>> That's a class being defined for this example >>> >>> 5) Are they creating a new class? If so, why? >>> >>> To make an example >>> >>> > method whoami($me:) { >>> >>> 6) where is @b and %c? >>> >>> In this case thet aren't being passed. >>> >>> >>> > "Well I'm class $me.^name(), of course!" >>> >>> 7) why is there a caret in front of "name"? >>> >>> There are certain Meta Object methods that are access with a ^ infront >>> of the name. I'd need to check the exact definition though. >>> >>> Please note the Perl5 docs have had decades of people working on them >>> the Perl6 ones.... less so. There's bound to be some difference in scope. >>> >>> On Tue, 11 Sep 2018 at 12:11 ToddAndMargo <toddandma...@zoho.com> wrote: >>> >>>> On 09/11/2018 03:30 AM, JJ Merelo wrote: >>>> > Also, "is no help whatsoever" is no help whatsoever. Saying what part >>>> of >>>> > it is not clear enough, or could be explained better, is. >>>> > >>>> >>>> Well now, >>>> >>>> > method ($a: @b, %c) {}; # first argument is the invocant >>>> >>>> 1) why is it a "method" and not a "function"? >>>> >>>> 1-1/2) why is there a color after a$? What happens to $a? >>>> >>>> 2) What is an "invocant"? Does it mean I can access it >>>> by placing it after something with a dot? Sort of >>>> like >>>> contains("abc", "b") >>>> "abc".contians("b") >>>> >>>> 3) What makes the "invocant" special over the other second >>>> and third parameters? >>>> >>>> > class Foo { >>>> >>>> 4) I see no class called "Foo" over on >>>> https://docs.perl6.org/type.html >>>> >>>> 5) Are they creating a new class? If so, why? >>>> >>>> > method whoami($me:) { >>>> >>>> 6) where is @b and %c? >>>> >>>> > "Well I'm class $me.^name(), of course!" >>>> >>>> 7) why is there a caret in front of "name"? >>>> >>>> > } >>>> > } >>>> > >>>> > >>>> > say Foo.whoami; # OUTPUT: «Well I'm class Foo, of course!» >>>> >>>> 8) no clue how they got there >>>> >>>> >>>> JJ, have you ever used Perl 5's perldocs? They are a bazillion >>>> times easier to understand than Perl 6's. >>>> >>>> Thank you for the help with this? >>>> >>>> -T >>>> >>> -- >>> Simon Proctor >>> Cognoscite aliquid novum cotidie >>> >> -- >> Simon Proctor >> Cognoscite aliquid novum cotidie >> > > > -- > brandon s allbery kf8nh > allber...@gmail.com >
