SearchGeneric

SearchGeneric.swift

struct Person: Equatable{
    let name: String
    let email: String
    let age: Int
}

func search() {
    let henry = Person(name : "Henry", email : "[email protected]", age : 24)
    let robert = Person(name : "Robert", email : "[email protected]", age : 22)
    let tom = Person(name : "Tom", email : "[email protected]", age : 25)
    
    let listOfPerson = Array(arrayLiteral: henry, robert, tom)
    let searchUtil = SearchUtil(list : listOfPerson)
    searchUtil.searchItem(element: henry) {(result) -> () in
        print(result ?? "Not found")
    }
}

class SearchUtil<T: Equatable>{
    var list: [T] = []
    
    init(list: [T]) {
        self.list = list
    }
    
    func searchItem(element: T, foundItem: (T?)->()) {
        let itemFoundList = self.list.filter { item in
            item == element
        }
        if (itemFoundList.isEmpty){
            foundItem(nil)
        }
        else{
            foundItem(itemFoundList.first)
        }
    }
}

search()