Struct cfg::rule::RuleRef

pub struct RuleRef<'a> {
    pub lhs: Symbol,
    pub rhs: &'a [Symbol],
    pub history_id: HistoryId,
}

References rule’s components.

Fields

lhs: Symbol

Left-hand side.

rhs: &'a [Symbol]

Right-hand side.

history_id: HistoryId

The rule’s history.

Trait Implementations

impl<'a> Clone for RuleRef<'a>

fn clone(&self) -> RuleRef<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> GrammarRule for RuleRef<'a>

fn lhs(&self) -> Symbol

Returns the rule’s left-hand side.

fn rhs(&self) -> &[Symbol]

Returns the rule’s right-hand side.

fn history_id(&self) -> HistoryId

Returns a reference to the history carried with the rule.

fn as_ref(&self) -> RuleRef<'_>

impl<'a> Copy for RuleRef<'a>