Free
CourseLearn Swift: Closures
Sharpen your Swift skills by learning how to define and call higher-order functions using closures.
This course includes
This course includes
Skill level
IntermediateTime to complete
Average based on combined completion rates — individual pacing in lessons, projects, and quizzes may vary2 hoursProjects
1Prerequisites
None
About this course
Continue your Swift learning journey with Learn Swift: Closures. Make your code more compact and readable by using closures to define and call higher-order functions.
Syllabus
Closures
Learn how to use closures to define and call higher-order functions.
Certificate of completion available with Plus or Pro
Earn a certificate of completion and showcase your accomplishment on your resume or LinkedIn.
Meet the creator of the course

Kenny Lin
Web Development Domain Manager at CodecademyEarn a certificate of completion
Show your network you've done the work by earning a certificate of completion for each course or path you finish.- Show proofReceive a certificate that demonstrates you've completed a course or path.
- Build a collectionThe more courses and paths you complete, the more certificates you collect.
- Share with your networkEasily add certificates of completion to your LinkedIn profile to share your accomplishments.
Reviews from learners
- The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.ChrisCodecademy Learner @ USA
- I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.RodrigoCodecademy Learner @ UK
- Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.John-AndrewCodecademy Learner @ USA
Our learners work at
Join over 50 million learners and start Learn Swift: Closures today!
Looking for something else?
Related resources
- Article
Handle Errors Using Throwing Functions in Swift
Learn how to handle errors in Swift with `do-catch` blocks and write and call throwing functions. - Article
Running Hello World Locally (Xcode & Terminal)
Run your Hello World Swift program locally using Xcode or Terminal. - Article
Data Types
Swift is a strongly-typed language.
Related courses and paths
- Free course
Learn Intermediate Swift
Learn how to use enumerations, optionals, closures, and access control to build robust and powerful Swift programs.Intermediate9 hours - Free course
Learn Swift: Functions
Continue your Swift journey by learning functions — reusable and callable code blocks!Beginner Friendly2 hours - Skill path
Build an Intermediate iOS App with SwiftUI
Learn how to use Swift and SwiftUI to build more complex iOS apps that can store present data.Includes 4 CoursesWith CertificateIntermediate8 hours
Browse more topics
- Swift170,675 learners enrolled
- Mobile development1,393,678 learners enrolled
- Code foundations7,637,066 learners enrolled
- Computer science6,099,208 learners enrolled
- Web development5,118,062 learners enrolled
- Data science4,643,249 learners enrolled
- Python3,748,379 learners enrolled
- For business3,512,754 learners enrolled
- JavaScript2,933,358 learners enrolled
Unlock additional features with a paid plan
Practice Projects
Guided projects that help you solidify the skills and concepts you're learning.Assessments
Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.Certificate of Completion
Earn a document to prove you've completed a course or path that you can share with your network.