def on_put
minebender-game@1.0.0.0 · proof_assist.bend:152
import minebender-game@1.0.0.0/proof_assist.bend as ProofAssist
import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/proof_cells.bend as PS
152def on_put(+w: Nat, +h: Nat, +p: T.Pos, +t: List<&2, T.Pos>, +b: Bool,
153 hd: {PS.onb(PS.WH{w, h}, p) == True{} : Bool}, tl: {PS.allp(~PS.WH, ~PS.onb, PS.WH{w, h}, t) == True{} : Bool}) ->
154 {PS.allp(~PS.WH, ~PS.onb, PS.WH{w, h}, List.filter.put(T.Pos, p, t, b)) == True{} : Bool}:
155 match b:
156 case False{}:
157 tl
158 case True{}:
159 %Equal.sym(Bool, PS.allp(~PS.WH, ~PS.onb, PS.WH{w, h}, t), True{}, tl) :
160 {Bool.and(PS.onb(PS.WH{w, h}, p), _) == True{} : Bool}
161 %Equal.sym(Bool, PS.onb(PS.WH{w, h}, p), True{}, hd) : {Bool.and(_, True{}) == True{} : Bool}
162 {==}