Attean::IteratorSequence - Online Linux Manual PageSection : 3
Updated : 2021-02-08
Source : perl v5.32.1
Note : User Contributed Perl Documentation

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NAMEAttean::IteratorSequence − Iterator implementation backed by zero or more sub−iterators

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VERSIONThis document describes Attean::IteratorSequence version 0.030

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SYNOPSIS​ use v5.14; ​ use Attean; ​ my $iter = Attean::IteratorSequence−>new(iterators => [$iter1, $iter2]);

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DESCRIPTIONThe Attean::IteratorSequence class represents a typed iterator that is backed by zero or more sub-iterators. When iterated over, it will return all the elements of all of its sub-iterators, in order, before returning undef. It conforms to the Attean::API::Iterator role. The Attean::IteratorSequence constructor requires two named arguments: iterators An array reference containing zero or more Attean::API::Iterator objects. item_type A string representing the type of the items that will be returned from the iterator.

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METHODSnext Returns the iterator's next item, or undef upon reaching the end of iteration. push( $iterator ) Adds the new $iterator to the end of the array of sub-iterators. After this call, $iterator will be owned by the IteratorSequence, so making any method calls on $iterator after this point may produce unexpected results.

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BUGSPlease report any bugs or feature requests to through the GitHub web interface at <https://github.com/kasei/attean/issues>.

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SEE ALSO

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AUTHORGregory Todd Williams <gwilliams@cpan.org>

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COPYRIGHTCopyright (c) 2014−−2020 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. 0

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