hoon: avoid "fund: in/by" jet printfs by tweaking +map/+set/+qeu
++ map
|$ [key value] :: table
$| (tree (pair key value))
- |=(a=(tree (pair)) ~(apt by a))
+ |=(a=(tree (pair)) ?:(=(~ a) & ~(apt by a)))
::
++ qeu
|$ [item] :: queue
$| (tree item)
- |=(a=(tree) ~(apt to a))
+ |=(a=(tree) ?:(=(~ a) & ~(apt to a)))
::
++ set
|$ [item] :: set
$| (tree item)
- |=(a=(tree) ~(apt in a))
+ |=(a=(tree) ?:(=(~ a) & ~(apt in a)))
::
:::: 2l: container from container ::
:: ::
