Trait cfg::history::AssignPrecedence
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pub trait AssignPrecedence {
fn assign_precedence<R>(&self, rule: &R, looseness: u32) -> Self where R: GrammarRule;
}
Trait for history types that allow the rule to have its precedence assigned.
Required Methods
fn assign_precedence<R>(&self, rule: &R, looseness: u32) -> Self where R: GrammarRule
Returns a history. May record the precedence.
Implementors
impl AssignPrecedence for NullHistory