BendtorchLoad.Sp.open: def of bendtorch-load@1.3.0.0
Import: import bendtorch-load@1.3.0.0/main.bend as BendtorchLoad
Lines 348-352 of bendtorch-load@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-load@1.3.0.0/main.bend&start_line=348&end_line=352

import Base

# { opens a level; at depth 2 an entry starts empty
def Sp.open(fresh: Bool, ps: Ps) -> Ps:
  match fresh ps:
    case True{} Ps{d, c, p, n, f, dt, sh, of, ns, rs, bad}: Ps{(d + 1 : U32), False{}, p, n, f, "", Nil{}, Nil{}, ns, rs, bad}
    case False{} Ps{d, c, p, n, f, dt, sh, of, ns, rs, bad}: Ps{(d + 1 : U32), False{}, p, n, f, dt, sh, of, ns, rs, bad}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=bendtorch-load@1.3.0.0/main.bend&name=Ps