Trait DataSource 

pub trait DataSource: Sync {
    // Required methods
    fn retrieve_single_value(&self, name: &str) -> Result<DataValue, DataError>;
    fn retrieve_1d_array_or_string(
        &self,
        name: &str,
    ) -> Result<ValueSource, DataError>;
    fn retrieve_2d_array(
        &self,
        name: &str,
    ) -> Result<Vec<Vec<DataValue>>, DataError>;
}

Trait for data sources that provide values by name.

Required Methods

fn retrieve_single_value(&self, name: &str) -> Result<DataValue, DataError>

Retrieves a single numeric or boolean value.

fn retrieve_1d_array_or_string( &self, name: &str, ) -> Result<ValueSource, DataError>

Retrieves a 1D array (from sheet reference) or a literal string.

fn retrieve_2d_array( &self, name: &str, ) -> Result<Vec<Vec<DataValue>>, DataError>

Retrieves a 2D array from a sheet reference.

Implementors