9 lines
246 B
Text
9 lines
246 B
Text
Enum.reduce(0..6, '0', fn _,s ->
|
|
IO.puts s
|
|
s ++ Enum.map(s, fn c -> if c==?0, do: ?1, else: ?0 end)
|
|
end)
|
|
|
|
# or
|
|
Stream.iterate('0', fn s -> s ++ Enum.map(s, fn c -> if c==?0, do: ?1, else: ?0 end) end)
|
|
|> Enum.take(7)
|
|
|> Enum.each(&IO.puts/1)
|