dogbert17

=head2 method of

Defined as:

    method of 

Usage:

    Hash.of

dogbert17

=head2 method default

Defined as:

    method default

Usage:

    Array.default

dogbert17

=head2 method print-nl

    method print-nl(IO::Handle:D: --> True)

Writes a newline to the filehandle. The newline marker defaults
to C<\n> unless another marker has been specified in the call to
L<open>.

    my $fh = open 'path/to/file', :w, nl-out => "\r\n";  
    $fh.print("some text");

dogbert17

=head2 routine does

    method does(Mu $type)      returns Bool:D

Returns True if and only if the invocant conforms to type C<$type>.

    my $d = Date.new('2016-06-03');
    say $d.does(Dateish);             # True    (Date does role Dateish)
    say $d.does(Any);                 # True    (Date is a subclass of Any)
    say $d.does(DateTime);            # False   (Date is not a subclass of DateTime)

dogbert17

=head2 routine categorize

Defined as:

    multi sub    categorize(&mapper, *@values) returns Hash:D
    multi method categorize(List:D: &mapper)   returns Hash:D

Usage:

    categorize MAPPER, LIST

dogbert17

=head2 method kxxv

Defined as:

    method kxxv(Baggy:D:) returns List:D

Returns a list of the keys of the invocant, with each key multiplied by its
weight. Note that C<kxxv> only works for C<Baggy> types which have integer
weights, i.e. L<Bag> and L<BagHash>.

dogbert17

# This is Rakudo version 2016.05-79-g2095ed6 built on MoarVM version 2016.05-17-g6075599 implementing Perl 6.c.
 
# What is the value of the first triangle number to have over five hundred divisors?
use v6;
my $numFactors = 500;
my $sum = 0;
for (1...*) -> $term {
  $sum += $term;
  my $factors = (1..floor(sqrt($sum))).grep(-> $x { $sum % $x == 0} ).elems * 2;
  $factors-- if floor(sqrt($sum)) == sqrt($sum);

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dogbert@dogbert-VirtualBox ~ $ time perl6-valgrind-m euler-12.pl6 
================================================================================================
This is Rakudo Perl 6 running in valgrind, a tool for debugging and profiling programs.
Running a program in valgrind usually takes *a lot* more time than running it directly,
so please be patient.
This Rakudo version is 2016.05.79.g.2095.ed.6 built on MoarVM version 2016.05.17.g.6075599,
running on ubuntu (14.04.3.LTS.Trusty.Tahr) / linux (3.19.0.32.generic)
------------------------------------------------------------------------------------------------
==7688== Memcheck, a memory error detector
==7688== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.

dogbert17

=head2 method elems

Defined as:

    method elems(Baggy:D:) returns Int:D

Returns the number of elements in the C<Baggy> object without
taking the individual elements weight into account.

    my $breakfast = bag <eggs spam spam spam>;

dogbert17

=head2 method keys

Defined as:

    method keys(Baggy:D:) returns List:D

Returns a list of all keys in the C<Baggy> object without taking
their individual weights into account as opposed to L<kxxv|#method kxxv>.

    my $breakfast = bag <eggs spam spam spam>;