- '|' => [ $lei->can('sigpipe_handler'), $lei ],
- '!' => [ $lei->can('fail_handler'), $lei ],
- '.' => [ \&do_post_augment, $lei ],
- '+' => [ \&incr_post_augment, $lei ],
+ 'sigpipe_handler' => [ $lei ],
+ 'fail_handler' => [ $lei ],
+ 'do_post_augment' => [ \&do_post_augment, $lei ],
+ 'incr_post_augment' => [ \&incr_post_augment, $lei ],