Swift 5.7’s new optional unwrapping syntax
Swift 5.7 introduces a new, more concise way to unwrap optional values using if let and guard let statements. Before, we always had to explicitly name each unwrapped value, for example like this: A small, but very welcome feature.
from Pocket https://www.swiftbysundell.com/articles/swifts-new-shorthand-optional-unwrapping-syntax
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