Struct IrPool 

pub struct IrPool { /* private fields */ }

Implementations

impl IrPool

pub fn new() -> Self

pub const fn zero(&self) -> IrId

pub const fn one(&self) -> IrId

pub fn class_set(&mut self, set: ClassSet) -> ClassSetId

Intern a normalized character set.

Panics

Panics if more than u32::MAX distinct sets are interned.

pub fn get_class_set(&self, id: ClassSetId) -> &ClassSet

pub fn class(&mut self, set: ClassSetId, prov: Prov) -> IrId

pub fn anchor(&mut self, kind: AnchorKind, prov: Prov) -> IrId

pub fn alt( &mut self, left: IrId, right: IrId, prov: Prov, ordered: bool, ) -> IrId

pub fn seq(&mut self, left: IrId, right: IrId, prov: Prov) -> IrId

pub fn star(&mut self, inner: IrId, prov: Prov, greedy: bool) -> IrId

pub fn kind(&self, id: IrId) -> &IrKind

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn nullable(&mut self, root: IrId) -> bool

Return whether root accepts the empty string, caching every visited result.

Panics

Panics only if the IR arena’s internal child-reference invariant is broken.

pub fn display(&self, root: IrId) -> String

Trait Implementations

impl Clone for IrPool

fn clone(&self) -> IrPool

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IrPool

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

Formats the value using the given formatter.

impl Default for IrPool

fn default() -> Self

Returns the “default value” for a type.