# vim: set ft=fish:

function never_runs
	while false
	end
end

function early_return
	while true
		return 2
	end
end

function runs_once
	set -l i 1
	while test $i -ne 0 && set i (math $i - 1)
	end
end

# this should return 1
never_runs; echo $status

# this should return 0
runs_once; echo $status

# this should return 2
early_return; echo $status