Swift Intermediate Quiz 1

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Quiz 1
1. A property that isn't calculated until the first time it is accessed.
2. Capturing values from the surrounding scope in a closure.
3. Prevents retain cycles by declaring a reference as not owning the object.
4. A way to define a custom operator.
5. Used to define which properties are required for a protocol implementation.
6. A function that takes another function as an argument.
7. A type that maps input values to a specific output type.
8. Conditionally binding an optional to a variable if it is not nil.
9. Returning multiple values from a function.
10. Allows generic types to have constraints.
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