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hasItem


>>-hasItem(item-+--------+-)-----------------------------------------><
                +-,index-+

Returns 1 (true) if the relation contains the member item [item] , 0 (false). If [index] is specified, hasIndex() will only return true if the relation contains the pairing of [item] associated with index [index] . Item and index equality is determined by using the == method.

Read Me - Common Public License V1.0 - Copyright Notice(©)