Exercise - Type Properties and Methods Imagine you have an app that requires the user to log in. You may have a User struct similar to that shown below. However, in addition to keeping track of specific user information, you might want to have a way of knowing who the current logged in user is. Create a currentUser type property on the User struct below and assign it to a user object representing you. Now you can access the current user through the User struct. Print out the properties of currentUser. struct User { 8 var userName: String var email: String 9 10 var age: Int 11 } 12 13 There are other properties and actions associated with a User struct that might be good candidates for a type property or method. One might be a method for logging in. Go back and create a type method called logIn(user:) where user is of type User. In the body of the method, assign the passed in user to the currentUser property, and print out a statement using the user's userName saying that the user has logged in. Below, call the logIn(user:) method and pass in a different User instance than what you assigned to currentUser above. Observe the printout in the console. 19 20
Exercise - Type Properties and Methods Imagine you have an app that requires the user to log in. You may have a User struct similar to that shown below. However, in addition to keeping track of specific user information, you might want to have a way of knowing who the current logged in user is. Create a currentUser type property on the User struct below and assign it to a user object representing you. Now you can access the current user through the User struct. Print out the properties of currentUser. struct User { 8 var userName: String var email: String 9 10 var age: Int 11 } 12 13 There are other properties and actions associated with a User struct that might be good candidates for a type property or method. One might be a method for logging in. Go back and create a type method called logIn(user:) where user is of type User. In the body of the method, assign the passed in user to the currentUser property, and print out a statement using the user's userName saying that the user has logged in. Below, call the logIn(user:) method and pass in a different User instance than what you assigned to currentUser above. Observe the printout in the console. 19 20
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Exercise - Type Properties and Methods
Imagine you have an app that requires the user to log in. You may have a User struct similar to that shown below. However, in addition to keeping track of specific user
information, you might want to have a way of knowing who the current logged in user is. Create a currentUser type property on the User struct below and assign it to a
user object representing you. Now you can access the current user through the User struct. Print out the properties of currentUser.
struct User {
7
var userName: String
var email: String
8.
10
var age: Int
}
11
12
13
There are other properties and actions associated with a User struct that might be good candidates for a type property or method. One might be a method for logging in. Go
back and create a type method called logIn(user:) where user is of type User. In the body of the method, assign the passed in user to the currentUser property, and
print out a statement using the user's userName saying that the user has logged in.
Below, call the logIn(user:) method and pass in a different User instance than what you assigned to currentUser above. Observe the printout in the console.
19
20
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