Miguel Ojeda 099381a08d rust: error: improve to_result documentation ...

Core functions like `to_result` should have good documentation.

Thus improve it, including adding an example of how to perform early
returns with it.

Reviewed-by: Benno Lossin <lossin@kernel.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

2025-09-10 00:10:10 +02:00

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