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Master Swift with Adaptive AI.

Master Swift across 26 topics - Foundations, OOP and Protocols, and Concurrency and Advanced Shift - guided by Leyaa's adaptive intelligence.

3Parts

26Topics

223Patterns

55hEst. duration

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Swift Course

3 - part learning journey

Foundations

9 topics · 81 patterns

Beginner

OOP and Protocols

9 topics · 78 patterns

Intermediate

Concurrency and Advanced Shift

8 topics · 64 patterns

Advanced

Begin Part 1: Foundations

✦ Course Structure

Your Swift Journey in 3 Parts

Each part builds on the last - a deliberate progression from beginner to advanced.

Beginner

Part 1: Foundations

Covers Swift Basics and Runtime, Variables and Constants, Data Types and 6 more topics.

9Topics

81Patterns

View topics

Intermediate

Part 2: OOP and Protocols

Covers Closures, Structures and Value Semantics, Classes and Reference Semantics and 6 more topics.

9Topics

78Patterns

View topics

Advanced

Part 3: Concurrency and Advanced Shift

Covers Advanced Protocols and POP, Memory Management with ARC, Concurrency with async/await and 5 more topics.

8Topics

64Patterns

View topics

Curriculum

Everything You'll Learn

Explore every topic and pattern in the course.

Swift

3 parts · 26 topics · 223 patterns

Part 1: Foundations9 topics · 81 patterns

Beginner

Swift Basics and Runtime

8 patterns

What is Swift

Why Swift for Apple and beyond

How Swift compiles to native code

Swift REPL and Playgrounds

Main entry point and @main attribute

Print function for output

Comments and documentation markup

Project structure and Swift Package Manager basics

Variables and Constants

8 patterns

Why let and var distinction matters

Let for constants (immutable)

Var for variables (mutable)

Type inference by the compiler

Explicit type annotation

String interpolation

Type aliases for readability

Semicolons are optional behavior

Data Types

9 patterns

Why Swift is strongly typed

Int, Double, Float number types

Bool type and logical operators

Character and String types

String is a value type behavior

Type conversion is always explicit

Numeric literal formats

Tuples for grouped values

Typealias for custom naming

Optionals

10 patterns

Why optionals are Swift's core safety feature

Optional declaration with ? suffix

Nil represents absence of value

Optional binding with if let

Guard let for early exit

Force unwrapping with ! and its danger

Nil coalescing operator (??)

Optional chaining with ?.

Implicitly unwrapped optionals

Multiple optional binding

Operators and Expressions

9 patterns

Why operator safety matters in Swift

Arithmetic operators and overflow

Comparison operators

Logical operators

Range operators (... and ..<)

Ternary conditional operator

Nil coalescing operator deep usage

Identity operators (=== and !==)

Operator overloading concept

Control Flow

9 patterns

Why Swift has no implicit fallthrough

If and if-else statements

Switch statement power

Switch with value binding

Switch with where clauses

Switch with compound cases

Switch must be exhaustive

Guard for early exit pattern

No implicit fallthrough in switch

Loops

9 patterns

Why Swift loops are safe by default

For-in loop with ranges

For-in loop with collections

For-in with where clause

While loop

Repeat-while loop

Stride for custom step

Break and continue behavior

Labeled statements for nested loops

Functions

10 patterns

Why functions are first-class in Swift

Function declaration syntax

Argument labels and parameter names

Omitting argument labels with _

Default parameter values

Variadic parameters

In-out parameters for mutation

Functions returning tuples

Functions as types

Nested functions

Collections

9 patterns

Why collections are value types in Swift

Array creation and type inference

Array operations (append, insert, remove)

Array iteration and enumerated

Dictionary creation and access

Dictionary methods and default values

Set creation and operations

Set algebra (union, intersection, difference)

Collection mutability tied to let/var

Part 2: OOP and Protocols9 topics · 78 patterns

Intermediate

Closures

10 patterns

Why closures are fundamental in Swift

Closure expression syntax

Trailing closure syntax

Shorthand argument names ($0, $1)

Closures as function parameters

Capturing values from context

Escaping closures (@escaping)

Autoclosures (@autoclosure)

Closures are reference types

Memory implications of captures

Structures and Value Semantics

9 patterns

Why structs are preferred in Swift

Struct declaration syntax

Memberwise initializer

Methods in structs

Mutating methods for value types

Computed properties

Property observers (willSet, didSet)

Structs are value types (copy on assign)

Comparing structs vs classes decision

Classes and Reference Semantics

9 patterns

Why classes exist alongside structs

Class declaration syntax

Classes are reference types

Initializers and designated init

Convenience initializers

Deinitializers for cleanup

Identity comparison (===)

Reference sharing and side effects

ARC overview for memory management

Inheritance

8 patterns

Why inheritance is class-only in Swift

Base class and subclass

Overriding methods and properties

Calling super for parent behavior

Preventing overrides with final

Type casting with as, as?, as!

Is operator for type checking

Any and AnyObject types

Protocols

10 patterns

Why protocol-oriented design matters

Protocol declaration syntax

Protocol requirements (methods and properties)

Protocol extensions with default implementations

Equatable, Hashable, Comparable protocols

Codable protocol for encoding/decoding

Enumerations

8 patterns

Why enums are powerful in Swift

Enum declaration and cases

Iterating enum cases with CaseIterable

Raw values for enums

Associated values per case

Enum methods and computed properties

Recursive enumerations

Enum with switch pattern matching

Error Handling

8 patterns

Why error handling is explicit in Swift

Error protocol conformance

Throwing functions with throws

Do-try-catch execution flow

Try? for optional result

Try! for forced unwrap

Rethrowing functions

Defer statement for cleanup

Extensions

8 patterns

Why extensions add capability without modifying

Extension syntax

Adding computed properties

Adding methods

Adding initializers via extension

Protocol conformance via extension

Extensions with constraints

Extending built-in types

Generics

8 patterns

Why generics provide type safety

Generic function declaration

Generic type declaration

Type constraints with protocol conformance

Associated types in protocols

Where clauses for complex constraints

Generic subscripts

Opaque types with some keyword

Part 3: Concurrency and Advanced Shift8 topics · 64 patterns

Advanced

Advanced Protocols and POP

8 patterns

Why protocol-oriented programming matters

Protocol extensions for shared behavior

Conditional conformance

Protocol with associated types

Type erasure concept

Existential types (any keyword)

Protocol composition in practice

POP vs OOP decision patterns

Memory Management with ARC

8 patterns

Why ARC matters for Swift developers

Strong reference cycles between classes

Weak references to break cycles

Unowned references for guaranteed lifetime

Closures causing retain cycles

Capture lists in closures

Weak self and unowned self patterns

Debugging memory leaks with Instruments

Concurrency with async/await

9 patterns

Why modern concurrency matters

Async functions declaration

Await for calling async functions

Task for launching concurrent work

Task groups for parallel execution

Structured concurrency model

Cancellation handling

Async sequences (AsyncSequence)

MainActor for UI work

Actors and Data Safety

8 patterns

Why actors prevent data races

Actor declaration syntax

Actor isolation concept

Nonisolated methods

Global actors (@MainActor)

Sendable protocol for thread safety

Actors vs locks decision

Distributed actors overview

Advanced Collections and Algorithms

9 patterns

Why collection algorithms matter

Map, filter, reduce patterns

CompactMap for optional unwrapping

FlatMap for nested collections

Lazy collections for performance

Sorted and custom comparators

Zip for combining sequences

Sequence protocol for custom iteration

Collection slicing and indices

Property Wrappers

7 patterns

Why property wrappers reduce boilerplate

@propertyWrapper declaration

WrappedValue and projectedValue

Built-in property wrappers (@State, @Published)

Custom validation property wrappers

Property wrappers with configuration

Composing property wrappers

Result Builders

7 patterns

Why result builders enable DSLs

@resultBuilder attribute

BuildBlock for combining results

BuildOptional and buildEither

SwiftUI uses result builders

Custom result builder declaration

Limitations and best practices

Testing in Swift

8 patterns

Why testing matters

XCTest framework basics

Test case and test method structure

Assertions (XCTAssertEqual, XCTAssertTrue)

Testing async code

Test doubles (mocks, stubs)

Protocol-based dependency injection for testing

Performance testing with measure blocks

Why Leyaa

Not just a course. A learning intelligence.

Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.

Adaptive Diagnostics

Leyaa identifies which of the 223 patterns you've mastered and which need work - before you waste time on what you already know.

Pattern-Level Precision

Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.

Intelligent Pacing

Leyaa reads your velocity across the whole course and adapts your focus list dynamically, keeping you in the optimal learning zone.

Before & After Visibility

Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - topic by topic, pattern by pattern.

Learner Autonomy

Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.

Clear Learning Path

Foundations → OOP and Protocols → Concurrency and Advanced Shift - a structured journey where each part sets you up perfectly for the next.

Swift

Ready to master Swift?
Start your journey today

Start your diagnostic now. Build mastery across all 26 topics in under 15 minutes.

26 Topics

223 Patterns

Personalized roadmap

Master Swift with Adaptive AI.

Your Swift Journey in 3 Parts

Everything You'll Learn

Swift

Not just a course. A learning intelligence.

Ready to master Swift?Start your journey today

Ready to master Swift?
Start your journey today