| line | stmt | bran | cond | sub | pod | time | code | 
| 1 |  |  |  |  |  |  | package App::Sets::Iterator; | 
| 2 |  |  |  |  |  |  | $App::Sets::Iterator::VERSION = '0.976'; | 
| 3 |  |  |  |  |  |  |  | 
| 4 |  |  |  |  |  |  |  | 
| 5 | 3 |  |  | 3 |  | 20 | use strict; | 
|  | 3 |  |  |  |  | 3 |  | 
|  | 3 |  |  |  |  | 88 |  | 
| 6 | 3 |  |  | 3 |  | 11 | use warnings; | 
|  | 3 |  |  |  |  | 5 |  | 
|  | 3 |  |  |  |  | 408 |  | 
| 7 |  |  |  |  |  |  |  | 
| 8 |  |  |  |  |  |  | # ABSTRACT: convenience iterator | 
| 9 |  |  |  |  |  |  |  | 
| 10 |  |  |  |  |  |  | sub new { | 
| 11 | 192 |  |  | 192 | 0 | 341 | my ($package, $it) = @_; | 
| 12 | 192 |  |  |  |  | 1389 | return bless {it => $it}, $package; | 
| 13 |  |  |  |  |  |  | } | 
| 14 |  |  |  |  |  |  |  | 
| 15 |  |  |  |  |  |  | sub head { | 
| 16 | 3176 |  |  | 3176 | 0 | 2419 | my ($self) = @_; | 
| 17 | 3176 | 100 |  |  |  | 7136 | return exists $self->{head} ? $self->{head} : $self->next(); | 
| 18 |  |  |  |  |  |  | } | 
| 19 |  |  |  |  |  |  |  | 
| 20 |  |  |  |  |  |  | sub next { | 
| 21 | 2196 |  |  | 2196 | 0 | 1770 | my ($self) = @_; | 
| 22 | 2196 |  |  |  |  | 3353 | return $self->{head} = $self->{it}->(); | 
| 23 |  |  |  |  |  |  | } | 
| 24 |  |  |  |  |  |  |  | 
| 25 |  |  |  |  |  |  | sub drop { | 
| 26 | 2004 |  |  | 2004 | 0 | 1672 | my ($self) = @_; | 
| 27 | 2004 |  |  |  |  | 2140 | my $retval = $self->head(); | 
| 28 | 2004 |  |  |  |  | 2345 | $self->next(); | 
| 29 | 2004 |  |  |  |  | 4392 | return $retval; | 
| 30 |  |  |  |  |  |  | } ## end sub drop | 
| 31 |  |  |  |  |  |  |  | 
| 32 |  |  |  |  |  |  | 1; | 
| 33 |  |  |  |  |  |  |  | 
| 34 |  |  |  |  |  |  | __END__ |