Function places::api::matcher::query_flat_rows_and_then_named

fn query_flat_rows_and_then_named<T, F>(
    conn: &PlacesDb, 
    sql: &str, 
    params: &[(&str, &dyn ToSql)], 
    mapper: F
) -> Result<Vec<T>> where
    F: FnMut(&Row<'_>) -> Result<T>,