Struct SpanContext 

pub struct SpanContext {
    pub line_text: String,
    pub line_number: usize,
    pub column_start: usize,
    pub column_end: usize,
}

Context around an error for display purposes.

Fields

line_text: String

The line of source text containing the error.

line_number: usize

The line number (1-indexed).

column_start: usize

Column where error starts (1-indexed).

column_end: usize

Column where error ends (1-indexed).

Implementations

impl SpanContext

pub fn from_source(source: &str, span: &SourceSpan) -> Self

Creates a context from source text and span.

pub fn format_highlight(&self) -> String

Formats the context with error highlighting.

Returns a multi-line string showing the error line with carets (^) indicating the error location.

Trait Implementations

impl Clone for SpanContext

fn clone(&self) -> SpanContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SpanContext

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

Formats the value using the given formatter.