Struct NonTerminalRef 

pub struct NonTerminalRef {
    pub rule: String,
    pub query: LinkQuery,
}

A reference to a non-terminal plus the structural query that locates it.

Fields

rule: String

Rule name in the inferred grammar.

query: LinkQuery

Query used by derivation-tree backends to extract instances.

Implementations

impl NonTerminalRef

pub fn new(rule: impl Into<String>) -> Self

Builds a reference whose query is keyed by the rule term.

pub fn with_query(rule: impl Into<String>, query: LinkQuery) -> Self

Builds a reference with an explicit structural query.

Trait Implementations

impl Clone for NonTerminalRef

fn clone(&self) -> NonTerminalRef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NonTerminalRef

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

Formats the value using the given formatter.

impl PartialEq for NonTerminalRef

fn eq(&self, other: &NonTerminalRef) -> 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 Eq for NonTerminalRef

impl StructuralPartialEq for NonTerminalRef