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rmnblm/optionals_part1.swift

Last active December 12, 2016 07:53
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Swift: Optionals Part 1
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optionals_part1.swift
var text: String?
print(text)
// Output: nil
print(text ?? "B")
// Output: B
text = "A"
print(text ?? "B")
// Output: A
print(text)
// Output: Optional("A")
print(text!)
// Output: A
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