Stefan Holderbach 168e7f7b16
Document fn pipeline() used with nu! tests (#9609)
# Description
Its purpose and its limitation around statements are not too obvious but
ubiquituous in our `nu!` tests. Document its behavior as we remove it in
many places for #8670


# User-Facing Changes
None
2023-07-05 13:19:54 +02:00
..