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package Role::TinyCommons::Iterator::Basic; |
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our $AUTHORITY = 'cpan:PERLANCAR'; # AUTHORITY |
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our $DATE = '2021-06-08'; # DATE |
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our $DIST = 'Role-TinyCommons-Iterator'; # DIST |
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our $VERSION = '0.003'; # VERSION |
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use Role::Tiny; |
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### required |
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requires 'get_next_item'; |
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requires 'has_next_item'; |
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requires 'get_iterator_pos'; |
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### provided |
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sub get_coderef_iterator { |
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my ($self, $dies) = @_; |
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if ($dies) { |
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return sub { $self->get_next_item }; |
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} else { |
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return sub { $self->has_next_item ? $self->get_next_item : undef }; |
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} |
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} |
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1; |
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# ABSTRACT: A basic iterator |
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__END__ |