Double.RawSignificand A type that represents the encoded significand of a value. Declarationtypealias RawSignificand = UInt64 See AlsoWorking with Binary RepresentationbitPatternsignificandBitPatternsignificandWidthexponentBitPatternsignificandBitCountexponentBitCountradixinit(bitPattern:)init(sign:exponentBitPattern:significandBitPattern:)init(nan:signaling:)Double.ExponentDouble.RawExponent