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zern/examples/rule110.zr

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func rule110_step[state: Array] : Array
let new_state: Array = []
let state_len: I64 = Array.size(state)
for i in 0..state_len
let left: Bool = false
if i - 1 >= 0
left = state[i-1]
let center: Bool = state[i]
let right: Bool = false
if i + 1 < state_len
right = state[i+1]
Array.push(new_state, !((!left && !center && !right) || (left && !center && !right) || (left && center && right)))
return new_state
func to_str[state: Array]: String
let out: String = malloc(Array.size(state))
for i in 0..Array.size(state)
if state[i]
String.set(out, i, '#')
else
String.set(out, i, ' ')
return out
func main[] : I64
let SIZE: I64 = 60
let state: Array = []
for i in 0..SIZE
Array.push(state, false)
Array.push(state, true)
print(to_str(state))
for i in 0..SIZE
state = rule110_step(state)
print(to_str(state))