Struct CounterDef 

pub struct CounterDef {
    pub min: u32,
    pub max: u32,
    pub body_nullable: bool,
}

Definition of a counter used by counted NFA loops.

Each counter tracks how many times a loop body has been completed. min is the minimum iterations for the exit guard; max is the maximum iterations for the loop guard.

Fields

min: u32

Minimum completed iterations required to exit

max: u32

Maximum iterations allowed before loop must exit

body_nullable: bool

Whether the loop body can be traversed without consuming any input. When true and num_counters == 1, the RangedSingle fast-forward path is used in epsilon closure.

Trait Implementations

impl Clone for CounterDef

fn clone(&self) -> CounterDef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for CounterDef

impl Debug for CounterDef

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

Formats the value using the given formatter.

impl Eq for CounterDef

impl PartialEq for CounterDef

fn eq(&self, other: &CounterDef) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for CounterDef