TraversalWitness.map_step: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/proofs/traversal_witness.bend as TraversalWitness
Lines 187-195 of stelliferous@0.0.2.0/proofs/traversal_witness.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/proofs/traversal_witness.bend&start_line=187&end_line=195

import Base
import stelliferous@0.0.2.0/traversal_array.bend as Traversal
import stelliferous@0.0.2.0/proofs/storage_witness.bend as Witness

def map_step(~Element: Data,~Context: Data,~map: Context -> Element -> Element,+depth: Nat,
  -state: Traversal.State<&2,&1,Unit,Array<Element>,Context>,evidence: MapEvidence<Element,Context,depth,state>) ->
  MapEvidence<Element,Context,depth,Traversal.map_step(~Element,~Context,~map,state)>:
  match evidence:
    case MapEvidence{output,+position,+context,equation,+output_evidence}:
      %Equal.sym(Traversal.State<&2,&1,Unit,Array<Element>,Context>,state,Traversal.State{Unit{},output,position,context},equation) :
        MapEvidence<Element,Context,depth,Traversal.map_step(~Element,~Context,~map,_)>
      mapped_value(~Element,~Context,~map,depth,position,context,output,Array.get(Element,output,position),output_evidence,
        Witness.read(Element,depth,output,position,output_evidence))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/storage_witness.bend&name=read
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/traversal_witness.bend&name=MapEvidence
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/traversal_witness.bend&name=mapped_value
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/traversal_array.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/traversal_array.bend&name=map_step