RawSignificand A type that represents the encoded significand of a value. Declarationassociatedtype RawSignificand : UnsignedInteger See AlsoWorking with Binary RepresentationbinadeexponentBitPatternsignificandBitPatternsignificandWidthexponentBitCountsignificandBitCountinit(sign:exponentBitPattern:significandBitPattern:)RawExponent