Revision history for Perl extension Set::IntSpan::Island. 0.04 Wed Sep 17 2008 - excise() now takes both an integer and set as argument - added keep() which is the same as excise() but with complement size criteria - distance() returns undef for empty set input - fill() now takes both an integer and set as argument - fixed bug in sets() - extract_covers() now returns empty array when empty hash is passed in 0.03 10 Apr 2007 - fixed bug in extract_cover 0.02 12 Mar 2007 - added island iterator (c.f. Set::IntSpan's iterator): num_islands, at_island, current_island, first, next, prev, last - added extract_cover example 0.01 5 Mar 2007 - original version; created by h2xs 1.19