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
