Struct FeatureProvider 

pub struct FeatureProvider { /* private fields */ }

Manages the correspondence between edge labels and feature IDs.

Implementations

impl FeatureProvider

pub fn new() -> Self

Creates a new FeatureProvider.

pub fn is_empty(&self) -> bool

Returns true if the manager has no item.

pub fn len(&self) -> usize

Returns the number of items.

pub fn add_feature_set(&mut self, feature_set: FeatureSet) -> Result<NonZeroU32>

Adds a feature set and returns its ID.

Errors

The number of features must be less than 2^32 - 1.

Trait Implementations

impl<'__de, __Context> BorrowDecode<'__de, __Context> for FeatureProvider

fn borrow_decode<__D: BorrowDecoder<'__de, Context = __Context>>( decoder: &mut __D, ) -> Result<Self, DecodeError>

Attempt to decode this type with the given BorrowDecode.

impl Debug for FeatureProvider

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

Formats the value using the given formatter.

impl<__Context> Decode<__Context> for FeatureProvider

fn decode<__D: Decoder<Context = __Context>>( decoder: &mut __D, ) -> Result<Self, DecodeError>

Attempt to decode this type with the given Decode.

impl Default for FeatureProvider

fn default() -> FeatureProvider

Returns the “default value” for a type.

impl Encode for FeatureProvider

fn encode<__E: Encoder>(&self, encoder: &mut __E) -> Result<(), EncodeError>

Encode a given type.