Up.tip.of: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/lock/up.bend as Up
Lines 529-531 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=529&end_line=531

import Base

# the word Off quotes: a branch name when there is one, otherwise the commit
def tip.of(+branch: String, +tip: String) -> String:
  Bool.pick(String, String.is_empty(branch), tip, branch)

Uses (3):
  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.is_empty