Struct NodeSourceSpans 

pub struct NodeSourceSpans { /* private fields */ }

Mapping from node ref → SourceSpan (byte range in the source document).

Only populated when BufferDocumentOptions::track_source_locations is enabled.

Implementations

impl NodeSourceSpans

pub fn new() -> Self

Creates a new empty span table.

pub fn set(&mut self, node_ref: u32, span: SourceSpan)

Records (or overwrites) the source span for node_ref.

pub fn get(&self, node_ref: u32) -> Option<SourceSpan>

Returns the source span for node_ref, if recorded.

pub fn len(&self) -> usize

Returns the number of nodes with recorded spans.

pub fn is_empty(&self) -> bool

Returns true if no spans have been recorded.

Trait Implementations

impl Debug for NodeSourceSpans

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

Formats the value using the given formatter.

impl Default for NodeSourceSpans

fn default() -> NodeSourceSpans

Returns the “default value” for a type.