KernelTileWitness.eight_head: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/proofs/kernel_tile_witness.bend as KernelTileWitness
Lines 60-72 of stelliferous@0.0.2.0/proofs/kernel_tile_witness.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/proofs/kernel_tile_witness.bend&start_line=60&end_line=72

import Base
import stelliferous@0.0.2.0/kernel_block.bend as Block
import stelliferous@0.0.2.0/kernel_tile.bend as Tile
import stelliferous@0.0.2.0/proofs/traversal_witness.bend as TraversalWitness

def eight_head(~State: Type,~Context: Data,~Evidence: @-state: State -> Data,
  ~read: State -> Context -> Nat -> State & F32,
  ~read_preserves: @-state: State -> @context: Context -> @index: Nat -> Evidence(state) -> TraversalWitness.Sample<State,F32,state,read(state,context,index)>,
  -state: State,+context: Context,-head: F32,+evidence: Evidence(state)) ->
  TraversalWitness.Sample<State,Block.Twin<Block.Twin<Block.Twin<F32>>>,state,
    Block.read_pair(~State,~Tile.HeadContext<Context>,~Block.Twin<Block.Twin<F32>>,
      ~Block.read_pair(~State,~Tile.HeadContext<Context>,~Block.Twin<F32>,
        ~Block.read_pair(~State,~Tile.HeadContext<Context>,~F32,~Tile.read_with_head(~State,~Context,~read),~1n),~2n),~4n,state,Tile.HeadContext{head,context},0n)>:
  pair(~State,~Tile.HeadContext<Context>,~Block.Twin<Block.Twin<F32>>,
    ~Block.read_pair(~State,~Tile.HeadContext<Context>,~Block.Twin<F32>,
      ~Block.read_pair(~State,~Tile.HeadContext<Context>,~F32,~Tile.read_with_head(~State,~Context,~read),~1n),~2n),~4n,state,Tile.HeadContext{head,context},0n,
    four_head(~State,~Context,~Evidence,~read,~read_preserves,state,context,head,0n,evidence),
    four_head(~State,~Context,~Evidence,~read,~read_preserves,state,context,head,4n,evidence))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/kernel_block.bend&name=Twin
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/kernel_block.bend&name=read_pair
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/kernel_tile.bend&name=HeadContext
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/kernel_tile.bend&name=read_with_head
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/kernel_tile_witness.bend&name=four_head
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/kernel_tile_witness.bend&name=pair
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/traversal_witness.bend&name=Sample