SyntaxSuggest::DisplayCodeWithLineNumbers#format_line

# File tmp/rubies/ruby-3.4.1/lib/syntax_suggest/display_code_with_line_numbers.rb, line 38
        def format_line(code_line)
  # Handle trailing slash lines
  code_line.original.lines.map.with_index do |contents, i|
    format(
      empty: code_line.empty?,
      number: (code_line.number + i).to_s,
      contents: contents,
      highlight: @highlight_line_hash[code_line]
    )
  end.join
end