todos.txt

TODO: print actually useful info on the screen
 - a dot for every hopper_step retry (and debug info if the dots get too numerous)
 - the stage hopper_step is currently in (for performance profiling)
 - number of sources and destinations
 - transfer count for the last iteration (useful with void)
 - a console to type one-off hopper commands
 - a better way to view dozens of commands separated by `/`


FIXME: propagate and reset errors correctly

TODO: `//` comments
TODO: hopper repl to avoid restarts when using `-storage`

TODO: TIL speed up item pulling operations by transferring full slots directly into empty slots if there are any
TODO: TIL speed up item pushing operations by transferring directly from full slots into empty slots

TODO: parallel transfers
  - a TIL todo when doing storage to storage transfer?




TODO: -spread to distribute items evenly

TODO: rice cooker functionality

TODO: negative index should count from the last slot (-1 for last slot)
TODO: autocrafting?

TODO: request logistics (factorio requester/provider chests)
 - kanban?

TODO: conditional transfer (based on whether the previous command succeeded?)
  items can block each other, thus you can make a transfer happen only if that slot is free by passing items through said slot
TODO: some way to treat chests as queues