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Task/One-dimensional-cellular-automata/Sidef/one-dimensional-cellular-automata-1.sidef

@@ -0,0 +1,10 @@
+var seq = "_###_##_#_#_#_#__#__";
+var x = '';
+
+loop {
+    seq.tr!('01', '_#');
+    say seq;
+    seq.tr!('_#', '01');
+    seq.gsub!(/(?<=(.))(.)(?=(.))/, {|s1,s2,s3| s1 == s3 ? (s1 ? 1-s2 : 0) : s2});
+    (x != seq) && (x = seq) || break;
+}

Task/One-dimensional-cellular-automata/Sidef/one-dimensional-cellular-automata-2.sidef

@@ -0,0 +1,33 @@
+class Automaton(rule, cells) {
+
+    method init {
+        rule = sprintf("%08b", rule).chars.map{.to_i}.reverse;
+    }
+
+    method next {
+        var previous = cells.map{_};
+        var len = previous.len;
+        cells[] = rule[
+                previous.range.map { |i|
+                    4*previous[i-1 % len] +
+                    2*previous[i]         +
+                      previous[i+1 % len]
+                }...
+            ]
+    }
+
+    method to_s {
+        cells.map { _ ? '#' : ' ' }.join;
+    }
+}
+
+var size = 10;
+var auto = Automaton(
+    rule: 104,
+    cells: [(size/2).of(0)..., 111011010101.digits..., (size/2).of(0)...],
+);
+
+size.times {
+    say "|#{auto}|";
+    auto.next;
+}