Struct RuleAttributes 

pub struct RuleAttributes {
    pub parameters: Vec<String>,
    pub channel: Option<String>,
    pub modes: Option<Vec<String>>,
    pub action: Option<Vec<Operation>>,
}

The optional parts of a rule the feature union adds.

Fields

parameters: Vec<String>

The rule’s parameters; empty for a rule without.

channel: Option<String>

The channel; a channel other than default makes the rule trivia.

modes: Option<Vec<String>>

The lexer modes the rule may match in.

action: Option<Vec<Operation>>

The semantic action, a statement list.

Implementations

impl RuleAttributes

pub fn is_empty(&self) -> bool

Whether no attribute is set.

Trait Implementations

impl Clone for RuleAttributes

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RuleAttributes

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

Formats the value using the given formatter.

impl Default for RuleAttributes

fn default() -> Self

Returns the “default value” for a type.

impl Eq for RuleAttributes

impl PartialEq for RuleAttributes

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for RuleAttributes