Method reserve

src/entity/primary_map.rs:179–181

(&mut self, additional: usize)

    /// Reserves capacity for at least `additional` more elements to be inserted.
    #[inline]
    pub fn reserve(&mut self, additional: usize) {
        self.elems.reserve(additional);
    }

    /// Reserves the minimum capacity for exactly `additional` more elements to be inserted.
    #[inline]