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                            <h1 class="main">Structs with reference fields</h1>
<p>Structs with references require explicitly setting the initial value to a
reference value unless the struct already defines its own initial value.</p>
<p>Zero-value references, or nil pointers, will <strong>NOT</strong> be supported in the future,
for now data structures such as Linked Lists or Binary Trees that rely on reference
fields that can use the value <code>0</code>, understanding that it is unsafe, and that it can
cause a panic.</p>
<div class="language-v">struct Node {
    a &amp;Node
    b &amp;Node = unsafe { nil } // Auto-initialized to nil, use with caution!
}

// Reference fields must be initialized unless an initial value is declared.
// Nil is OK but use with caution, it's a nil pointer.
foo := Node{
    a: unsafe { nil }
}
bar := Node{
    a: &amp;foo
}
baz := Node{
    a: unsafe { nil }
    b: unsafe { nil }
}
qux := Node{
    a: &amp;foo
    b: &amp;bar
}
println(baz)
println(qux)
</div>

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