[−][src]Trait cfg::history::EliminateNulling
Trait for history types that allow the rule to have nulling symbols eliminated from the RHS.
Required methods
fn eliminate_nulling<R>(&self, rule: &R, which: BinarizedRhsSubset) -> Self where
R: GrammarRule,
R: GrammarRule,
Returns a history. May record the elimination.
Implementors
impl EliminateNulling for History
[src]
fn eliminate_nulling<R>(&self, rule: &R, subset: BinarizedRhsSubset) -> Self where
R: GrammarRule,
[src]
R: GrammarRule,