Struct SpanDiff 

pub struct SpanDiff {
    pub old: Span,
    pub new: Span,
    pub byte_delta: i64,
}

A span diff: describes changes between two spans.

Fields

old: Span

The old span.

new: Span

The new span.

byte_delta: i64

The byte delta (positive = grew, negative = shrank).

Implementations

impl SpanDiff

pub fn compute(old: Span, new: Span) -> Self

Compute the diff between two spans.

pub fn grew(&self) -> bool

Whether the span grew.

pub fn shrank(&self) -> bool

Whether the span shrank.

pub fn unchanged(&self) -> bool

Whether the span is unchanged.

Trait Implementations

impl Clone for SpanDiff

fn clone(&self) -> SpanDiff

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SpanDiff

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

Formats the value using the given formatter.