Struct BPInstance 

pub struct BPInstance {
    pub items: Vec<(Arc<Item>, usize)>,
    pub bins: Vec<Bin>,
}

Instance of the Bin Packing Problem.

Fields

items: Vec<(Arc<Item>, usize)>

The items to be packed and their demands

bins: Vec<Bin>

Set of bins available to pack the items

Implementations

impl BPInstance

pub fn new(items: Vec<(Arc<Item>, usize)>, bins: Vec<Bin>) -> Self

pub fn item_area(&self) -> f32

pub fn item_qty(&self, idx: usize) -> usize

pub fn bins(&self) -> impl Iterator<Item = &Bin>

pub fn bin_qty(&self, id: usize) -> usize

pub fn total_item_qty(&self) -> usize

pub fn item(&self, idx: usize) -> &Arc<Item>

Retrieve an item by its internal index.

pub fn item_idx(&self, external_id: u64) -> Option<usize>

Resolve an external item ID, returning None for unknown or zero-demand items.

Trait Implementations

impl Clone for BPInstance

fn clone(&self) -> BPInstance

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BPInstance

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.