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@ -21,7 +21,7 @@ const std = @import("std");
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const Elephant = struct {
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letter: u8,
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tail: *Elephant = null, // Hmm... tail needs something...
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tail: ?*Elephant = null, // Hmm... tail needs something...
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visited: bool = false,
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};
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@ -51,7 +51,7 @@ fn visitElephants(first_elephant: *Elephant) void {
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// We should stop once we encounter a tail that
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// does NOT point to another element. What can
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// we put here to make that happen?
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if (e.tail == null) ???;
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if (e.tail == null) break;
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e = e.tail.?;
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}
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