kierdavis · June 17, 2016 01:49
diff --git a/states.nim b/states.nim
 # define and initialise a set
 var states: set[char] = {}

 # iterate over each character of each string in 'chains'
 for s in chains:
  for c in s:
    states.incl(c) # add character to the set
	# define and initialise a set
	var states: set[char] = {}

	# iterate over each character of each string in 'chains'
	for s in chains:
	for c in s:
	states.incl(c) # add character to the set