Method first

sdk-rust/src/result.rs:172–178

Get the first row as the given type Convenience method for queries that return a single row. # Type Parameters `T` - Type to deserialize into (must implement Deserialize) # Examples ```no_run use serde::Deserialize; # use graphlite_sdk::GraphLite; #[derive(Deserialize)] struct Count { count: i64 } # fn main() -> Result<(), graphlite_sdk::Error> { # let db = GraphLite::open("./mydb")?; # let

(&self)

    /// # }
    /// ```
    pub fn first<T: DeserializeOwned>(&self) -> Result<T> {
        let row = self
            .get_row(0)
            .ok_or_else(|| Error::NotFound("No rows returned".to_string()))?;

        self.deserialize_row(row)
    }

    /// Get a single value from the first row and first column
    ///