Can you please explain why?

In `guard var` example there must be `var a: Int? variable instead of let a: Int?
1
Vadym Dmytriyev
Abhimuralidharan
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1 min read·
Apr 1, 2019
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Can you please explain why?
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Written by Abhimuralidharan5.4K Followers
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iOS and tvOS developer, dreamer, photographer 🤨
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