Swift Cards -> Optionals
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Luciano Schillagi
#09. Swift 'Optionals' Cards are available for you!
Hello iOS Devs!
I designed a set of cards about "Optionals" in Swift.
Three cards to print, cut, and put right next to your keyboard.
In them, you'll find this info:
-Optional definition
-Optional declared in Swift Source code
-Swift Standard Library types that are defined as Optionals
-nil
-If Statements and Forced Unwrapping
-Optional Binding
-Implicitly Unwrapped Optionals
-Optional Chaining
-Using the Nil-Coalescing Operator
-Unconditional Unwrapping
Steps:
1. Download the PDF (two pages: black/white and color).
2. Print on both sides (two pages: black/white and color).
3. Cut the cards following the guides.
4. Ready to use the "Swift Optionals Cards"!
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100% offline/off-screen.
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You'll get three cards to print about "Optionals" in Swift. Valuable information in the palm of your hand.
100%
Offline / Off Screen
Printable
Black & White
Printable
Color
Card Dimension
83 x 14,5 mm
Page format
A4
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