pavone@46: #{
pavone@46: 
pavone@46: fib <- :n {
pavone@46:   last <- 0
pavone@46:   cur <- 1
pavone@46:   counter <- 0
pavone@46:   while: { counter < n } do: {
pavone@46:   	counter <- counter + 1
pavone@46:   	tmp <- last
pavone@46:   	last <- cur
pavone@46:   	cur <- last + tmp
pavone@46:   }
pavone@46:   cur
pavone@46: }
pavone@46: 
pavone@46: main <- {
pavone@46:   print: (string: (fib: 30)) . "\n"
pavone@46: }
pavone@46: 
pavone@46: }