NAME
Mojo::Collection - Collection
SYNOPSIS
# Manipulate collections
use Mojo::Collection;
my $collection = Mojo::Collection->new(qw/just works/);
$collection->map(sub { ucfirst })->each(sub {
my ($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. Note that this module is EXPERIMENTAL and might change without warning!
METHODS
Mojo::Collection inherits all methods from Mojo::Base and implements the following new ones.
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) });