/// Returns true if the map contains no elements.
Returns true if the map contains no elements.
Returns true if the map contains no elements .
pub fn is_empty(&self) -> bool {
        assert!(!self.in_use.get());
        self.in_use.set(true);
        let ret = unsafe {
            let map = self.map.get();
            (*map).is_empty()
        };
        self.in_use.set(false);
        ret
    }
pub fn is_empty ( & self ) -> bool { assert ! ( self in_use get ( ) ) ; self . in_use . set ( true ) ; let ret = unsafe { let map = self . map . get ( ) ; ( * map ) . is_empty ( ) } ; self . in_use . set ( false ) ; ret }
Returns true if the map contains no elements.
Returns true if the map contains no elements .
&self