Hub.early: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/add/hub.bend as Hub
Lines 155-162 of ezx@1.11.0.0/src/add/hub.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/add/hub.bend&start_line=155&end_line=162

import Base
import ezx@1.11.0.0/src/add/world.bend as A
import ezx@1.11.0.0/src/ez/named.bend as Named

# why the add is refused before anything is asked, "" when it is not: a ref
# and an entry both given, or a key the ledger refuses
def early(+world: A.World) -> String:
  Bool.pick(String,
    Bool.or(String.is_empty(A.ref(world)), String.is_empty(A.entry.arg(world))),
    Named.hub.why(A.deps(world), key(world), part(world), A.rename(world)),
    "ez: " ++ nv(world) ++ " pins its version; the word after it is the entry, " ++
      "and there is only one")

Uses (14):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  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
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/hub.bend&name=key
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/hub.bend&name=nv
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/hub.bend&name=part
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/world.bend&name=World
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/world.bend&name=deps
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/world.bend&name=entry.arg
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/world.bend&name=ref
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/world.bend&name=rename
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/named.bend&name=hub.why