Identifiable protocol in iOS Swift - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to make the struct conform to the Identifiable protocol by adding the required property.

iOS Swift

struct User: Identifiable {
  var [1]: Int
  var name: String
}

Drag options to blanks, or click blank then click option'

Aid

Bname

Cidentifier

Duid

Attempts:

3 left

💡 Hint

Common Mistakes

Using a property name other than 'id'.

Forgetting to add the 'id' property.

The Identifiable protocol requires a property named id to uniquely identify the instance.

2fill in blank

medium

Complete the code to conform to Identifiable using a UUID as the id.

iOS Swift

struct Item: Identifiable {
  var [1] = UUID()
  var title: String
}

Drag options to blanks, or click blank then click option'

Auuid

Bidentifier

Cid

DitemId

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different property name like 'uuid' or 'identifier'.

Not initializing the id property.

The id property is required by Identifiable and can be assigned a UUID for uniqueness.

3fill in blank

hard

Fix the error in the struct by adding the missing Identifiable requirement.

iOS Swift

struct Product: Identifiable {
  var name: String
  var price: Double
  var [1]: Int
}

Drag options to blanks, or click blank then click option'

Auid

BproductId

Cidentifier

Did

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different property name.

Not adding the id property at all.

The Identifiable protocol requires a property named id. Adding it fixes the error.

4fill in blank

hard

Fill both blanks to create a struct conforming to Identifiable with a UUID id and a title.

iOS Swift

struct Task: Identifiable {
  var [1] = UUID()
  var [2]: String
}

Drag options to blanks, or click blank then click option'

Aid

Btitle

Cname

Duuid

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'uuid' instead of 'id' for the identifier.

Using 'name' instead of 'title' for the descriptive property.

The id property is required by Identifiable and is set to a UUID. The title is a descriptive property.

5fill in blank

hard

Fill all three blanks to define a struct conforming to Identifiable with a UUID id, a name, and a description.

iOS Swift

struct Event: Identifiable {
  var [1] = UUID()
  var [2]: String
  var [3]: String
}

Drag options to blanks, or click blank then click option'

Aid

Bname

Cdescription

Dtitle

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'title' instead of 'name' or 'description'.

Not using 'id' as the identifier property.

The id property is required by Identifiable. The name and description provide details about the event.