Method vec_subtraction

src/darkbird/database.rs:135–143

(&self, vec_id: &str, scalar: f32)

    /// Performs scalar multiplication of a vector stored in the storage.
    #[inline]        
    pub fn vec_subtraction(&self, vec_id: &str, scalar: f32) -> Result<Option<Vector>, SessionResult> {
        match self.datastores.get::<VecStorage>() {
            None => Err(SessionResult::DataStoreNotFound),
            Some(datastore) => {
                let res = datastore.vector_scaling(vec_id, scalar);
                Ok(res)
            }
        }
    }