PerlDoc

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Perl Module:

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Parent package: Foswiki::Iterator
Child packages:

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ClassMethod new( $iter, $sub, $data )

Construct a new iterator that will filter $iter based on the results from $sub. $sub should return 0 if the next() from $iter should be filtered and 1 if it should be treated as the next item in the sequence.

$data is an optional arbitrary data item which will be passed to $sub in $_[1]