Method add

regex/regex-syntax/src/error.rs:196–207

Add the given span to this sequence, putting it in the right place.

(&mut self, span: ast::Span)

    /// Add the given span to this sequence, putting it in the right place.
    fn add(&mut self, span: ast::Span) {
        // This is grossly inefficient since we sort after each add, but right
        // now, we only ever add two spans at most.
        if span.is_one_line() {
            let i = span.start.line - 1; // because lines are 1-indexed
            self.by_line[i].push(span);
            self.by_line[i].sort();
        } else {
            self.multi_line.push(span);
            self.multi_line.sort();
        }
    }

    /// Notate the pattern string with carents (`^`) pointing at each span
    /// location. This only applies to spans that occur within a single line.