azamsharp

import datetime
from datetime import timedelta

first_time = datetime.datetime.now()
later_time = datetime.datetime.now() + timedelta(minutes=10)
difference = later_time - first_time

azamsharp

# Exceptions 

def ask_user_for_input(): 
    print("asking user for input")
    number = int(input("Enter number: ")) 

try:  # capturing runtime errors 
    #ask_user_for_input() 
    #result = 1/0 
    result = 4/2

azamsharp

# Ask the user for input for name 
# Ask the user for priority 
# create a task using name and priority 
# add the task to list of tasks 

# list to hold al the tasks 
all_tasks = [] 

class Task: 

azamsharp

# Creating a Class 

class Car: 
    def __init__(self, make, model): # initializer/constructor 
        # define properties of the car 
        self.make = make 
        self.model = model 
        self.color = "White" 

azamsharp

//ContentView: 

 NavigationLink(destination: LoginView().accessibility(identifier: "loginView"), isActive: self.$registrationVM.showLoginView) {
                    EmptyView()
                }


// Test 

 func test_should_register_successfully()  {

azamsharp

class RegistrationViewModel: ObservableObject {
   
    @Validated(.required(errorMessage: "First name cannot be empty"))
    var firstname: String? = ""
   
    @Validated(.required(errorMessage: "Last name cannot be empty"))
    var lastname: String? = ""
   
    @Validated(.required(errorMessage: "Username cannot be empty"))
    var username: String? = ""

azamsharp

static func required(errorMessage: String = "Is Empty") -> Validation {
        return .init { value in
            value.isEmpty ? .failure(.init(message: errorMessage)) : .success(())
        }
    }

azamsharp

class RegistrationViewModel: ObservableObject {
   
    @Validated(.required)
    var firstname: String? = ""
   
    @Validated(.required)
    var lastname: String? = ""
   
    @Validated(.required)

azamsharp

import Foundation
import ValidatedPropertyKit
 
extension Validation where Value == String {
   
    static var required: Validation {
        return .init { value in
            value.isEmpty ? .failure("\(value) cannot be empty") : .success(())
        }
    }

azamsharp

struct ContentView: View {
   
    @ObservedObject private var registrationVM = RegistrationViewModel()
   
    var body: some View {
        NavigationView {
           
            Form {
                VStack(spacing: 10) {
                    TextField("First name", text: $registrationVM.firstname.bound)