fn size(&self) -> usize {
        self.data
            .iter()
            .map(|(k, table)| k.len() + table.size() as usize)
            .sum::<usize>()
    }
// Returns an estimation of the total size of the contents of the tables
// stored under `TableData` in memory.
Returns an estimation of the total size of the contents of the tables
stored under `TableData` in memory.
Returns an estimation of the total size of the contents of the tables stored under ` TableData ` in memory .
fn size(&self) -> usize {
        self.data
            .iter()
            .map(|(k, table)| k.len() + table.size() as usize)
            .sum::<usize>()
    }
fn size ( & self ) -> usize { self . data . iter ( ) . map ( | ( k , table ) | k . len ( ) + table . size ( ) as usize ) . sum :: < usize > ( ) }
Returns an estimation of the total size of the contents of the tables
stored under `TableData` in memory.
Returns an estimation of the total size of the contents of the tables stored under ` TableData ` in memory .
&self
&self