Struct ReferenceIndex 

pub struct ReferenceIndex { /* private fields */ }

An index mapping name references to their use-site spans.

Implementations

impl ReferenceIndex

pub fn new() -> Self

Create an empty reference index.

pub fn record(&mut self, name: impl Into<String>, span: Span)

Record a reference to a name.

pub fn uses_of(&self, name: &str) -> &[Span]

All use-sites for a given name.

pub fn referenced_names(&self) -> Vec<&str>

All names that are referenced.

pub fn total_references(&self) -> usize

Total number of reference entries.

Trait Implementations

impl Clone for ReferenceIndex

fn clone(&self) -> ReferenceIndex

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ReferenceIndex

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

Formats the value using the given formatter.

impl Default for ReferenceIndex

fn default() -> ReferenceIndex

Returns the “default value” for a type.