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September 12, 2024 22:01
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precondition method
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| import Foundation | |
| // Swift Standard Library - Exploring its methods! | |
| // The 'precondition' method. | |
| let faceWithSunglasses: Character = "🙂" | |
| //let faceWithSunglasses: Character = "😎" | |
| // if this precondition is not true, the program will be interrupted | |
| precondition(faceWithSunglasses == "😎", | |
| "Please put it your sunglasses") | |
| print(faceWithSunglasses) |
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