Struct SpanBuilder 

pub struct SpanBuilder { /* private fields */ }

Incrementally build a Span from individual character positions.

Implementations

impl SpanBuilder

pub fn new(start: usize, line: usize, column: usize) -> Self

Begin a new span at start (byte offset, 1-indexed line/col).

pub fn finish(&self, end: usize) -> Span

Finish the span at end (byte offset).

pub fn start(&self) -> usize

Return the start byte offset.

pub fn pos(&self) -> SourcePos

Return the start SourcePos.

Trait Implementations

impl Clone for SpanBuilder

fn clone(&self) -> SpanBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SpanBuilder

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

Formats the value using the given formatter.