doc/examples/exp.m4 - m4 - Git at Google


            
            define(`countdown', `$1

            
            ifelse(eval($1 > 0), 1, `countdown(decr($1))', `Done')')dnl

            
            countdown(7)
	define(`countdown', `$1
	ifelse(eval($1 > 0), 1, `countdown(decr($1))', `Done')')dnl
	countdown(7)