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<p>The nil coalescing operator unwraps an optional and returns the value inside if there is one. If there <em>isn’t</em> a value – if the optional was <code>nil</code> – then a default value is used instead. Either way, the result won’t be optional: it will either by the value from inside the optional or the default value used as a back up.</p>
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Typo: "by", expected: "be"
Before: "it will either by the value"
After: "it will either be the value"
Unwrap/Unwrap/Content/SixtySeconds/nil-coalescing.html
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