/* _functions.scss */

/** NOTE: this function is only useful when importing Sass files with Sass instead
of requiring the Sass files with the webpack sass-loader. */
$imported-once-files: ();
@function import-once($filename) {
  @if index($imported-once-files, $filename) {
    @return false;
  }
  $imported-once-files: append($imported-once-files, $filename);
  @return true;
}