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Day 16

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This commit is contained in:
Sven Weidauer 2020-12-16 07:51:50 +01:00
parent 624a7f4326
commit c815aeb942
3 changed files with 215 additions and 0 deletions

6
common/Extensions.swift
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@ -31,3 +31,9 @@ extension Sequence {
return self
}
}
extension Collection where Element: Collection {
func flatten() -> [Element.Element] {
flatMap { $0 }
}
}