pub fn reserve_(&mut self, additional_sites: usize) {
        self.cells_.reserve(additional_sites);
        self.vertices_.reserve(additional_sites << 1);
        self.edges_
            .reserve((additional_sites << 2) + (additional_sites << 1));
    }
/// reserves space for an number of additional sites
reserves space for an number of additional sites
reserves space for an number of additional sites
pub fn reserve_(&mut self, additional_sites: usize) {
        self.cells_.reserve(additional_sites);
        self.vertices_.reserve(additional_sites << 1);
        self.edges_
            .reserve((additional_sites << 2) + (additional_sites << 1));
    }
pub fn reserve_ ( & mut self , additional_sites : usize ) { self . cells_ . reserve ( additional_sites ) ; self . vertices_ . reserve ( additional_sites << 1 ) ; self . edges_ . reserve ( ( additional_sites << 2 ) + ( additional_sites << 1 ) ) ; }
reserves space for an number of additional sites
reserves space for an number of additional sites
&mut self
additional_sites
usize