Initial commit

src/Automata/Modes/M/CoolantMode.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Automata\Modes\M;
+
+class CoolantMode extends M
+{
+
+	public function supports(int $M): bool
+	{
+		return in_array($M, [0, 2, 6, 8, 9, 30]);
+	}
+
+
+	public function apply(int $M): void
+	{
+		if (!$this->supports($M)) {
+			return;
+		}
+		if (in_array($M, [0, 2, 6, 30])) {
+			$this->M = 9;
+
+			return;
+		}
+
+		// 8 or 9
+		$this->M = $M;
+	}
+
+}