cOdynn
Courses
Coding ChallengesChallenge Sets
CodynnLabsCodynn Snippets
Compiler
cOdynn
cOdynn
HomeCoursesCompilerResources
Blogs
HomeCoursesChallengesLabs
COURSES
  • c
  • c#
  • c++
  • clojure
  • elixir
  • go
  • haskell
  • javascript
  • kotlin
  • lua
  • python
  • qbasic
  • rust
  • scala
  • zig
CHALLENGES
  • C ++ Challenges
  • Java Challenges
  • JavaScript Challenges
  • Kotlin Challenges
  • Lua Challenges
  • Python Challenges
  • Rust Challenges
  • Swift Challenges
RESOURCES
  • Algorithms
  • Blogs
  • CodynnLabs
  • Data Structures
  • Documentation
  • File Handling
  • Games
  • Interview Questions
  • Popular Repos
  • Questions
  • Quizzes
  • Scripts
  • Videos
COMPANY
  • About Us
  • Careers
  • Codynn Academy
  • Codynn Launch Pad
  • Challenges VS Extension
  • Contact Us
POPULAR COURSES
  • Lua Course for Beginners
  • Introduction to QBasic
  • Rust Programming Course for Beginners
  • R Programming
  • Getting Started with Go
  • Master the Basics of Haskell
  • Intro to C# for Beginners – Game Dev Edition
  • TypeScript: Basics
  • Python From Scratch
  • Basics of JavaScript
POPULAR CHALLENGES
  • 45 Days Basic Programming Challenges
  • Conditional Statements: Mini Challenge
  • Matrix Operations: Mini Challenge
  • Loops: Mini Challenge
  • Basic String Handling: Mini Challenge
  • Searching Algorithm: Mini Challenge
  • Sorting Algorithm: Mini Challenge
  • Conditional Loops: Mini Challenge
  • Higher Order Functions: Mini Challenge
  • Error Handling and Debugging: Mini Challenge
Logo
Codynn

A Product of VOID NEPAL © Codynn 2026

Core Swift: Functions, Closures & Custom Types

Get Started!
0Codynn Coins logo

Course Details

Language: Swift

Duration:

Difficulty:

Category: Programming

Certificate: Yes

Requirements

Completion of a beginner Swift course (or equivalent basic syntax knowledge: variables, if/else, loops, arrays) Xcode or Swift Playgrounds installed (for practicing beyond the in-browser code runner) No prior app-development experience needed

Content

01

Functions

4 Chapters - 0/4 Completed

Defining & Calling Functions

Parameters (default, variadic, in-out)

Return Values & Tuples

Function Types & Closures as Parameters

02

Closures

4 Chapters - 0/4 Completed

Closure Syntax Basics

Trailing Closures

Capturing Values

Escaping vs Non-Escaping Closures

03

Optionals Deep Dive

4 Chapters - 0/4 Completed

Optional Binding (if let, guard let)

Nil-Coalescing Operator

Optional Chaining

Force Unwrapping, Risks & Best Practices

04

Structs & Classes

7 Chapters - 0/7 Completed

Defining Structs

Defining Classes

Value Types vs Reference Types

Value Types vs Reference Types

Properties (stored, computed, lazy)

Property Observers (willSet/didSet)

Methods & self

05

Enumerations

4 Chapters - 0/4 Completed

Basic Enums

Associated Values

Raw Values

Enums with Methods

06

Error Handling

3 Chapters - 0/3 Completed

Defining Error Types

do-catch, try, try?, try!

Propagating Errors with throws

Reviews

No reviews yet