xcons

xcons( 
l_list 
g_element 
) 
=> l_result

Adds an element to the beginning of a list. Equivalent to cons but the order of the arguments is reversed.

l_list	A list, which can be `nil`.
g_element	Element to be added to the beginning of l_list.

l_result

Returns a list.

xcons( '(b c) 'a ) 
=> ( a b c )