Pin.ref.at: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/ws/pin.bend as Pin
Lines 32-40 of ezx@1.11.0.0/src/ws/pin.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/ws/pin.bend&start_line=32&end_line=40

import Base
import ezx@1.11.0.0/src/ledger/manifest.bend as M

# a ref given against what the workspace records for the source, if anything
def ref.at(src: M.Source, +url: String, +ref: String) -> Ref:
  match src:
    case M.Hub{_nv}:
      Given{ref}
    case M.Git{_u, +rev, +tag, _o, _n, _v}:
      ref.pinned(url, rev, tag, ref)
    case M.Member{_p, _n}:
      Given{ref}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ledger/manifest.bend&name=Source
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ws/pin.bend&name=Ref
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ws/pin.bend&name=ref.pinned