// Returns the total size of the contents of the tables stored under
// `TableData`.
Returns the total size of the contents of the tables stored under
`TableData`.
Returns the total size of the contents of the tables stored under ` TableData ` .
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 the total size of the contents of the tables stored under
`TableData`.
Returns the total size of the contents of the tables stored under ` TableData ` .
&self