public long getElementOffset(long elementSize, long elementIndex) {
		return array + elementSize * elementIndex;
	}
Returns the offset of the specified element

@param elementSize size of elements in this slice
@param elementIndex index of desired element
@return offset of element
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/rtti/GoSlice.java