Changes

Advanced Ruby Arrays

30 bytes added, 01:02, 27 November 2007
Intersection, Union and Difference
<td align="center">-</td><td>Difference - Creates a new array from two existing arrays with duplicate elements removed</td>
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<tdalign="center">&</td><td>Intersection - Creates a new array from two existing arrays containing only elements that are common to both arrays. Duplicates are removed.</td>
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<tdalign="center">|</td><td>Union - Concatenates two arrays after removing duplicates</td>
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