package Test::Proto::Repeatable;
use strict;
use warnings;
use Moo;

has 'contents',
	is      => 'rw',
	default => sub { Test::Proto::Series->new(@_) };

has 'min',
	is      => 'rw',
	default => sub { 0 };

has 'max',
	is      => 'rw',
	default => sub { undef };

around 'min', 'max', 'contents' => \&Test::Proto::Common::chainable;

	my $class = shift;
	return { contents => Test::Proto::Series->new(@_) };

=head1 NAME

Test::Proto::Repeatable - represent a repeatable element or series in array validation


	pArray->contains_only(pRepeatable('a', 'b')); 
	# will validate ['a', 'b'] and  ['a', 'b', 'a', 'b'] as true

Used in array validation to represent a sequence qhich must be present in its entirety. Can contain, or be contained by, a L<Test::Proto::Series> or a L<Test::Proto::Alternation>.

=head1 METHODS

=head3 new

Each argument is another element in the series. NB: A series is automatically created to hold all the contents.

=head3 contents

	die unless exists $alternation->contents->[0];

A chainable getter/setter method for the contents of the series.

=head3 min

	my $pRepeatable = pRepeatable('foo')->min(2);
	my $min = $pRepeatable->min;

Sets and/or returns the minimum number of occurrences required.

=head3 max

	my $pRepeatable = pRepeatable('foo')->max(2);
	my $max = $pRepeatable->max;

Sets and/or returns the maximum number of occurrences permitted.