code: func (d *directiveParser) IsIgnored(issue *Issue) bool {
  	d.lock.Lock()
  	path := issue.Path.Relative()
  	ranges, ok := d.files[path]
  	if !ok {
  		ranges = d.parseFile(path)
  		sort.Sort(ranges)
  		d.files[path] = ranges
  	}
  	d.lock.Unlock()
  	for _, r := range ranges {
  		if r.matches(issue) {
  			debug("nolint: matched %s to issue %s", r, issue)
  			r.matched = true
  			return true
  		}
  	}
  	return false
  }
docs: // IsIgnored returns true if the given linter issue is ignored by a linter directive.