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package Catmandu::Counter;
=head1 NAME
Catmandu::Counter - A Base class for modules who need to count things
=head1 SYNOPSIS
package MyPackage;
use Moo;
with 'Catmandu::Counter';
sub calculate {
my ($self) = @_;
$self->inc_count;
#...do stuff
}
package main;
my $x = MyPackage->new;
$x->calculate;
$x->calculate;
$x->calculate;
print "Executed calculate %d times\n" , $x->count;
=head1 ATTRIBUTES
=head2 count
The current value of the counter.
=head1 METHODS
=head2 inc_count()
=head2 inc_count(NUMBER)
Increment the counter.
=head2 dec_count()
=head2 dec_count(NUMBER)
Decrement the counter.
=head2 reset_count()
Reset the counter to zero.
=head1 SEE ALSO
L<Catmandu::Exporter>
=cut
use namespace::clean;
use Catmandu::Sane;
use Moo::Role;
has count => (is => 'rwp', default => sub { 0 });
sub inc_count {
my $self = $_[0]; $self->_set_count($self->count + 1);
}
sub dec_count {
my $self = $_[0]; $self->count ? $self->_set_count($self->count - 1) : 0;
}
sub reset_count {
my $self = $_[0]; $self->_set_count(0);
}
1;
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