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A comment on Asterinas: OS kernel written in Rust and providing Linux-compatible ABI. Parent comment
That is why a query that successfully returns no items can be represented as Ok(None).
A successful query with items returned would instead be Ok(Vec<Item>).
An error in the completing the query (for example, problem with the database), would be Err(DatabaseError) or Err(SomeOtherError).
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That is why a query that successfully returns no items can be represented as Ok(None).
A successful query with items returned would instead be Ok(Vec<Item>).
An error in the completing the query (for example, problem with the database), would be Err(DatabaseError) or Err(SomeOtherError).