Provided by: libcatmandu-perl_1.2019-1_all
NAME
Catmandu::ArrayIterator - Convert an arrayref to an Iterable object
SYNOPSIS
use Catmandu::ArrayIterator; my $it = Catmandu::ArrayIterator->new([{n => 1}, {n => 2}, {n => 3}]); $it->each( sub { my $item = $_[0]; # Very complicated routine ... }); $it->[0]; # => {n => 1} $it->first; # => {n => 1} $it->map(sub { $_[0]->{n} + 1 })->to_array; # => [2, 3, 4] $it->count # => 3
METHODS
new($arrayRef) Create a new iterator object from $arrayRef. to_array Return all the items in the Iterator as an ARRAY ref. each(\&callback) For each item in the Iterator execute the callback function with the item as first argument. Returns the number of items in the Iterator. count Return the count of all the items in the Iterator. first Return the first item from the Iterator.
SEE ALSO
Catmandu::Iterable, Catmandu::Iterator