NAME

Mojo::Collection - Collection

SYNOPSIS

# Manipulate collections
use Mojo::Collection;
my $collection = Mojo::Collection->new(qw(just works));
unshift @$collection, 'it';
$collection->map(sub { ucfirst })->each(sub {
  my ($word, $count) = @_;
  say "$count: $word";
});

# Use the alternative constructor
use Mojo::Collection 'c';
c(qw(a b c))->join('/')->url_escape->say;

DESCRIPTION

Mojo::Collection is a container for collections.

FUNCTIONS

Mojo::Collection implements the following functions.

c

my $collection = c(1, 2, 3);

Construct a new Mojo::Collection object.

METHODS

Mojo::Collection implements the following methods.

new

my $collection = Mojo::Collection->new(1, 2, 3);

Construct a new Mojo::Collection object.

each

my @elements = $collection->each;
$collection  = $collection->each(sub {...});

Evaluate closure for each element in collection.

$collection->each(sub {
  my ($e, $count) = @_;
  say "$count: $e";
});

first

my $first = $collection->first;
my $first = $collection->first(sub {...});

Evaluate closure for each element in collection and return the first one for which the closure returns true.

my $five = $collection->first(sub { $_ == 5 });

grep

my $new = $collection->grep(sub {...});

Evaluate closure for each element in collection and create a new collection with all elements for which the closure returned true.

my $interesting = $collection->grep(sub { /mojo/i });

join

my $stream = $collection->join("\n");

Turn collection into Mojo::ByteStream.

$collection->join("\n")->say;

map

my $new = $collection->map(sub {...});

Evaluate closure for each element in collection and create a new collection from the results.

my $doubled = $collection->map(sub { $_ * 2 });

reverse

my $new = $collection->reverse;

Create a new collection with all elements in reverse order.

slice

my $new = $collection->slice(4 .. 7);

Create a new collection with all selected elements.

shuffle

my $new = $collection->shuffle;

Create a new collection with all elements in random order.

size

my $size = $collection->size;

Number of elements in collection.

sort

my $new = $collection->sort;
my $new = $collection->sort(sub {...});

Sort elements based on return value of closure and create a new collection from the results.

my $insensitive = $collection->sort(sub { uc(shift) cmp uc(shift) });

SEE ALSO

Mojolicious, Mojolicious::Guides, http://mojolicio.us.