The BOOST_PP_ARRAY_POP_FRONT_Z macro pops an element from the beginning of an array. 
		It reenters BOOST_PP_REPEAT with maximum efficiency.
	
	Usage
		
			BOOST_PP_ARRAY_POP_FRONT_Z(z, array)
		
	Arguments
		
			- z
- 
				The next available BOOST_PP_REPEAT dimension.
			
- array
- 
				The array to pop an element from.
			
Remarks
		
			This macro returns array after removing the first element. 
			If array has no elements, the result of applying this macro is undefined.
		
	See Also
		
	Requirements