Struct Span 

pub struct Span { /* private fields */ }

The location of a value in its input.

Spans are captured when values are deserialized from a format that tracks locations (see deser::Source), which is requested with TrackLocations in the context.

Implementations

impl Span

pub fn new(range: Range<usize>, source: Arc<str>) -> Span

Creates a span of a range in a source.

pub fn range(&self) -> Range<usize>

Returns the byte range in the source.

pub fn source(&self) -> &Arc<str>

Returns the source.

pub fn text(&self) -> Option<&str>

Returns the text of the span in the source.

pub fn start(&self) -> Position

Returns the position (with line and column) of the start of the span.

pub fn end(&self) -> Position

Returns the position (with line and column) of the end of the span.

The end is exclusive.

Trait Implementations

impl Clone for Span

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 Span

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

Formats the value using the given formatter.