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SKILL JOURNEY

Swift

Apple's modern language

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CHAPTER 01
Foundations
Lay the groundwork
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1YOU ARE HERE
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Hello, World
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2
Lesson 2+60 XP
Let Constant
Immutable.
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Lesson 3+60 XP
Var
Mutable.
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Lesson 4+70 XP
Type Annotation
Explicit type.
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Lesson 5+90 XP
String Interpolation
\(var) syntax.
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CHAPTER 02
Core Concepts
Build the core skills
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Lesson 6+70 XP
If Statement
No parens.
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Lesson 7+80 XP
Array
Typed list.
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Lesson 8+100 XP
Dictionary
Key-value.
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Lesson 9+90 XP
For In
Iterate.
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Lesson 10+110 XP
Function
Definition.
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CHAPTER 03
Building Blocks
Wire things together
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Optional
Maybe nil.
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Lesson 12+130 XP
Guard Let
Early exit.
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Lesson 13+110 XP
Struct
Value type.
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Lesson 14+110 XP
Class
Reference type.
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Lesson 15+90 XP
While
Loop until false.
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CHAPTER 04
Advanced Patterns
Level up your craft
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Lesson 16+130 XP
Switch
Pattern match.
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Lesson 17+130 XP
Closure
Inline function.
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Lesson 18+100 XP
Enum
Cases.
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Lesson 19+140 XP
Extension
Add to existing types.
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Lesson 20+110 XP
If Let
Optional binding.
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CHAPTER 05
Mastery
Master the language
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Lesson 21+100 XP
Nil Coalescing
?? operator.
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Lesson 22+130 XP
Init
Struct constructor.
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Lesson 23+130 XP
Protocol
Like interface.
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Lesson 24+130 XP
Computed Property
Get-only var.
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Swift Master
24 lessons left to claim the crown