UseCase

UseCase.swift

protocol UseCase {
    associatedtype ResultType

    func execute() -> ResultType
}

class UseCaseContainer<T>: UseCase {
    
    private let useCase: UseCaseContainer<T>
    
    init<U: UseCase>(_ useCase: U) where U.ResultType == T {
        self.useCase = UseCaseContainer(useCase)
    }
    
    func execute() -> T {
        return useCase.execute()
    }
}

class CustomizableUseCase<T>: UseCase {
    
    private let onExecute: () -> T
    
    init(onExecute: @escaping () -> T) {
        self.onExecute = onExecute
    }
    
    func execute() -> T {
        return onExecute()
    }
}