Function prepend

prepend anObject aList

Creates a new list obtained by inserting a new element at the head of an existing list.

Parameters:

anObject - The object to be inserted at the head of aList.

aList - A pair object that must be the head of a list.

Returns:

A reference to a new pair object that is the head of a list where anObject is the first element and aList is the rest of that list.

The prepend function could be defined as follows:

	define prepend ( anObject aList ) {
	    cons $anObject $aList
	}