The SSL certificate of the domain of the Perl 5 repository has expired

The SSL certificate of the domain of the Perl 5 repository has expired from 10/19.

https://perl5.git.perl.org/perl.git

The way to create Class with only Perl core language.

Do you know that Perl have enough object-oriented features in core language?

Not necessarily you need to use CPAN module to do object-oriented programing.

I write the entry "The way to create Class with only Perl core language".

The way to create Class with only Perl core features

package Point;

sub new {
my $class = shift;

my $self = {
x => 0,
y => 0,
@_,…

Perl Event Roppongi.pm #1 at 2018/9/14

Perl Event Roppongi.pm is opened at #1 2018/9/14

I get some pictures.

See all pictures Roppongi.pm Pictures

Simplify Subroutine Signatures

Do you need simple subroutine signatures?

signatures default behavior is simple.

It is simple alias.

# $foo, $bar
sub foo ($foo, $bar) { ... }
sub foo {
  my ($foo, $bar) = @_;
}
# $foo, @bar
sub foo ($foo, @bar) { ... }
sub foo {
  my ($foo, @bar) = @_;
}
# $foo, %bar
sub foo ($foo, %bar) { ... }
sub foo {
  my ($foo, %bar) = …

Advantage of Reference Count GC

Do you know advantage of Reference Count GC?

Do you believe Generational GC is best GC?

Do you think about GC deeply?

Advantage of Reference Count GC

I write the entry of Reference Count GC.

You can know the advantage of Reference Counst GC clearly.