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numist/FixedWidthInteger.swift

Created September 28, 2021 18:07
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FixedWidthInteger.swift
extension FixedWidthInteger where Self: UnsignedInteger {
// Enumerates `self`'s bits from most significant to least
var bits: some Sequence {
return sequence(state: Self.bitWidth) { i -> Bool? in
guard i > 0 else { return nil }
i -= 1
return (self & (1 << i) != 0)
}
}
}
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