Up.branch.of: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/lock/up.bend as Up
Lines 540-542 of ezx@1.11.0.0/src/lock/up.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/lock/up.bend&start_line=540&end_line=542

import Base

# the branch a rev-only pin followed, said when there is one
def branch.of(+label: String) -> String:
  Bool.pick(String, String.is_empty(label), "", " (" ++ label ++ ")")

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.is_empty