Function extract_opt

fendermint/rpc/src/query.rs:191–200

Extract some value from the query result, unless it's not found or other error.

(res: AbciQuery, f: F)

/// Extract some value from the query result, unless it's not found or other error.
fn extract_opt<T, F>(res: AbciQuery, f: F) -> anyhow::Result<Option<T>>
where
    F: FnOnce(AbciQuery) -> anyhow::Result<T>,
{
    if is_not_found(&res) {
        Ok(None)
    } else {
        extract(res, f).map(Some)
    }
}

/// Extract some value from the query result, unless there was an error.
fn extract<T, F>(res: AbciQuery, f: F) -> anyhow::Result<T>