b.setBool(bB)
			return nil
		}

		// Fallback to string
		sA := a.bytesToString()
		sB := b.bytesToString()
		a.setString(sA)
		b.setString(sB)
		return nil

	case okA && !okB:
		// Here a has `a` is untyped, but `b` has a fixed
		// type.
		switch b.value.(type) {
		case string:
			s := a.bytesToString()
			a.setString(s)

		case int64, float64:
			if iA, ok := a.bytesToInt(); ok {