_______________________________________
/ The key to understanding recursion is \
| to begin by understanding recursion. |
| The rest is easy. |
| |
\ Koenig/Moo, Accelerated C++ /
---------------------------------------
` /\ ^ /\ '
//\\/|\//\\
, //\\/\|/\//\\ .
// \\/|\// \\
\\|//
_.----v----._
/ \ /\__/\
/ \ \_ _/
| ^ \__/ |
=====) /
\\\\\\ \__, /
~`~~~~~~~~~~~~~~~~~~,`~~