Fix a bug that would trigger infinite recursion in anyCharacter(in:)
#8
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I found a bug that I introduced by removing references to character views. Because
String.subscriptnow longer returns a character view, the functionanyCharacter(in: String)would call itself.I fixed it by creating an array that wraps the the substring.
If this raises concerns with respect to performances, I guess I could explicitly create a substring with
suffix(from:)instead. That said I don't think this would change anything, as I believe the created array doesn't involve any copy of the original string.