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@ -54,7 +54,7 @@ fn visitElephants(first_elephant: *Elephant) void {
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// This gets the next elephant or stops.
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if (e.hasTail()) {
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e = e.???; // Which method do we want here?
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e = e.getTail(); // Which method do we want here?
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} else {
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break;
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}
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