Sim.zero_charges: def of bend-prot@0.1.0.0
Import: import bend-prot@0.1.0.0/sim.bend as Sim
Lines 56-63 of bend-prot@0.1.0.0/sim.bend: https://jend.leeeet.dev/read.txt?path=bend-prot@0.1.0.0/sim.bend&start_line=56&end_line=63

import Base
import bend-prot@0.1.0.0/protein.bend as P

# Zero charges aligned with atoms (no charge model yet; Coulomb kernels
# take external charges and are exercised by laws).
def zero_charges(xs: List<&2, P.Atom>) -> List<&2, F32>:
  match xs:
    case Nil{}:
      Nil{}
    case h <> t:
      0.0 <> zero_charges(t)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=Atom