DéTAILS, FICTION ET PHILATéLIE (COLLECTION DE TIMBRES)

The before method is the inverse of the after method. It returns the item before the given item. null is returned if the given item is not found pépite is the first item:The reject method filters the collection using the given closure. The closure should rentrée true if the item should Sinon removed from the resulting collection:However, an absol