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So, why are these orphan instances disallowed? The reason is that they can easily cause conflicts within a complex dependency tree. Imagine we have an application A that implement a person_to_json_string function that formats Person into a JSON string. Now, what if another application B calls that function, but depends on a different crate with a different Serialize implementation for Person? This would result in two conflicting orphan instances, and it could prevent Application B from ever including Application A as a dependency.
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for (int i = n - 1; i 0; i--) {
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21:05, 6 марта 2026Забота о себе
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