marcoonroad

# small hacking over symbol table

use feature qw| state |;

sub say { print @_, "\n" }

sub _ (&) { $_[ 0 ] }

sub curry {
	my $f = shift;

marcoonroad

#!/usr/bin/perl6

use v6;

# call with current continuation
sub infix:<⇐> (&cont, &expr) {
	my @rest = expr &cont;
	return @rest[ 0 ] if @rest[ 1 ];
	return cont @rest[ 0 ];
}

marcoonroad

#include <stdio.h>
#include <stdlib.h>

// tipos
typedef struct node {
  int here;
  struct node *next;
} Node;

typedef Node * Linked;

marcoonroad

# $ perl6 --target=mbc --output=./hello.mbc -e "say 'hello'"
# $ moar --dump hello.mbc > hello.dump

MoarVM dump of binary compilation unit:

  SC_0 : 61C9069EAD2FEF4AF84D9D502EA124CAC63EB166
  Callsite_0 :
    num_pos: 0
    arg_count: 0
  Callsite_1 :

marcoonroad

use warnings;

sub try (&;@;) {
	my ($try, @tests, $finally) = @_;
	# remove o bloco <finally> se ele veio junto
	$finally = pop (@tests) -> { 'finally' } if ref ($tests[ -1 ]) eq "HASH";
	push @tests, -1; # marcador de nenhum erro capturado 
	eval { &$try };
	if ($@) { # houve um erro?
		local $e = $@; # erro de escopo local (como uma variável de closure)

marcoonroad

# ...

### gather / take ###

gather {
    @xs -> for { | $x | ($x + 1) -> take }
} -> eval -> say;

# or
{

marcoonroad

-- scheduler / task test --

-- object, the base prototype --
local object = { }

-- bless / bind for lookup --
-- :: Ref <$> -> Pair % -> Obj %
function object: with (O)
  return setmetatable (O, { __index = self })
end

marcoonroad

use v5.12;
use utf8;
use strict;
use warnings;

# to declare short arrow functions
sub Ω {
	my $in = shift;
	return sub {
		my $out = shift;

marcoonroad

Dumping 'main' symbol table.
Exporter:: => *main::Exporter::
*main::Exporter:: => 
" => *main::"
*main::" => 
utf8:: => *main::utf8::
*main::utf8:: => 
 => *main::
*main:: => 
DynaLoader:: => *main::DynaLoader::

marcoonroad

setmetatable => function: 0x8060770
string => table: 0x9575d58
require => function: 0x9576740
coroutine => table: 0x95767a0
arg => table: 0x9578970
os => table: 0x9576930
tostring => function: 0x805fbf0
xpcall => function: 0x8060600
rawset => function: 0x805ff60
pairs => function: 0x8060910