ProofSolver.covers_set.cell: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_solver.bend as ProofSolver
Lines 764-781 of minebender-game@1.0.0.0/proof_solver.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_solver.bend&start_line=764&end_line=781

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/board.bend as B
import minebender-game@1.0.0.0/solver.bend as S
import minebender-game@1.0.0.0/proof_grid.bend as PG
import minebender-game@1.0.0.0/proof_lists.bend as PL

def covers_set.cell(+w: Nat, +h: Nat, +c: T.Pos, +rel: List<&2, S.Item>, +rest: List<&2, S.Todo>,
  +part: T.Grid(Maybe<&2, Bool>), +bv: Bool, +shP: {B.shaped(Maybe<&2, Bool>, w, h, part) == True{} : Bool},
  +q: T.Pos, on: {B.on_board(w, h, q) == True{} : Bool},
  h0: {cv_f(CV{S.Todo{c, rel} <> rest, part}, q) == True{} : Bool}, +b: Bool, +be: {B.same(c, q) == b : Bool}) ->
  {cv_f(CV{rest, B.set_at(Maybe<&2, Bool>, part, c, Some{bv})}, q) == True{} : Bool}:
  match b:
    case True{}:
      %Equal.sym(T.Pos, c, q, PG.same_sound(c, q, be)) :
        {Bool.or(Bool.not(S.is_none(S.look(B.set_at(Maybe<&2, Bool>, part, _, Some{bv}), q))), tcontains(rest, q)) == True{} : Bool}
      %Equal.sym(Maybe<&2, Bool>, S.look(B.set_at(Maybe<&2, Bool>, part, q, Some{bv}), q), Some{bv},
        set_look(w, h, part, q, Some{bv}, shP, on)) :
        {Bool.or(Bool.not(S.is_none(_)), tcontains(rest, q)) == True{} : Bool}
      {==}
    case False{}:
      %Equal.sym(Maybe<&2, Bool>, S.look(B.set_at(Maybe<&2, Bool>, part, c, Some{bv}), q), S.look(part, q),
        PL.at_set_ne(Maybe<&2, Bool>, part, c, q, Some{bv}, None{}, be)) :
        {Bool.or(Bool.not(S.is_none(_)), tcontains(rest, q)) == True{} : Bool}
      %be : {Bool.or(Bool.not(S.is_none(S.look(part, q))), Bool.or(_, tcontains(rest, q))) == True{} : Bool}; h0

Uses (23):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=on_board
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=same
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=set_at
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=shaped
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_grid.bend&name=same_sound
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_lists.bend&name=at_set_ne
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_solver.bend&name=CV
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_solver.bend&name=cv_f
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_solver.bend&name=set_look
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_solver.bend&name=tcontains
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/solver.bend&name=Item
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/solver.bend&name=Todo
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/solver.bend&name=is_none
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/solver.bend&name=look
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Grid
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Pos