Subj : Are recursive functions ever needed?
To   : comp.programming
From : Tatu Portin
Date : Sat Oct 01 2005 01:16 pm

Are recursive functions ever needed, i.e. cannot you just replace them 
with iterative clauses?

Example:

b = func (func (func (a)))

compared to:

b = a;
for (i = 0; i < 3; i++)
   {
     b = func (b);
   }

.