How Can I Implement Sorting in My Linked List?

What is the comparable interface called?

If you want to add an interface to your linked list that verifies the comparability of its elements, you can implement the sort.Interface interface. This pre-defined interface provides three methods:

<code class="go">type Interface interface {
    // Len is the number of elements in the collection.
    Len() int

    // Less reports whether the element with index i
    // must sort before the element with index j.
    Less(i, j int) bool

    // Swap swaps the elements with indexes i and j.
    Swap(i, j int)
}</code>

By implementing this interface for your linked list, you can ensure that elements can be compared and sorted properly.

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