Is there a more elegant way to do this?

[bauss via Digitalmars-d-learn]

I was wondering if there's a more elegant way to do something 
like this?

template BitSize(T) {
	enum BitSize = T.sizeof * 8;
}

struct Data(ParentType,ChildType) {
	@property {
		ChildType low() { return cast(ChildType)value; }
		void low(ChildType lowValue) {
			value = ((high << (BitSize!ParentType / 2)) | lowValue);
		}
		
		ChildType high() { return cast(ChildType)(value >> 
(BitSize!ParentType / 2)); }
		void high(ChildType highValue) {
			value = ((highValue << 16 | low));
		}
	}
	
	ParentType value;
	
	alias value this;
}

Example usage:
void main() {
	Data!(uint,ushort) data;
	data = 14065735;
	
	writefln("low: %s high: %s", data.low, data.high);
	
	data.low = 41031 ;
	data.high = 214;
	
	writefln("value: %s", data.value);
}

Basically to explain what it is: You give it a parent-type and a 
corresponding child-type.

Ex. if the parent-type is uint, the child-type would be ushort.
     if the parent-type is long, the child-type would be int.
     etc.

What it allows you to is to either manipulate the data as the 
parent-type or as two values of the child type.

I was just wondering if there's a more elegant or performant way 
to do this, perhaps something in Phobos exist already?