On Thu, Apr 6, 2017 at 12:44 AM, Jonathan Hull via swift-evolution < [email protected]> wrote:
> On that note: ‘containsOnly' is still my favorite by a wide margin. I > know it is longer than ‘all’, but it’s behavior is much clearer (especially > for those of us who have never used or heard of ‘all’ in other languages), > and it’s relationship with ‘contains’ is also very clear. > Also +1 to containsOnly for this very reason. In other languages (Python, Ruby, etc) that have an `all` method, they also have an `any` method, thus maintaining certain consistency. In the Swift standard library that `any` method is called `contains`, so `containsOnly` matches nicely that consistency. -- Víctor Pimentel
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