Package : perl-Tie-Array-Iterable

Package details

Summary: Forward Iterator object

'Tie::Hash::Iterable' allows one to create iterators for lists and arrays.
The concept of iterators is borrowed from the C++ STL [1], in which most of
the collections have iterators, though this class does not attempt to fully
mimic it.

Typically, in C/C++ or Perl, the 'easy' way to visit each item on a list is
to use a counter, and then a for( ;; ) loop. However, this requires
knowledge on how long the array is to know when to end. In addition, if
items are removed or inserted into the array during the loop, then the
counter will be incorrect on the next run through the loop, and will cause

While some aspects of this are fixed in Perl by the use of for or foreach,
these commands still suffer when items are removed or added to the array
while in these loops. Also, if one wished to use break to step out of a
foreach loop, then restart where they left at some later point, there is no
way to do this without maintaining some additional state information.

License: GPL+ or Artistic

Maintainer: nobody

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