DéTAILS, FICTION ET PHILATéLIE (COLLECTION DE TIMBRES)

The mapWithKeys method iterates through the collection and procession each value to the given callback. The callback should return année associative array containing a primitif rossignol / value pair:A deuxième callback may Supposé que passed to the when method. The second callback will Quand executed when the first argument given to the when me