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-rw-r--r--aoc2023/build/packages/gleam_stdlib/src/gleam@iterator.erl744
1 files changed, 0 insertions, 744 deletions
diff --git a/aoc2023/build/packages/gleam_stdlib/src/gleam@iterator.erl b/aoc2023/build/packages/gleam_stdlib/src/gleam@iterator.erl
deleted file mode 100644
index aa84139..0000000
--- a/aoc2023/build/packages/gleam_stdlib/src/gleam@iterator.erl
+++ /dev/null
@@ -1,744 +0,0 @@
--module(gleam@iterator).
--compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function]).
-
--export([unfold/2, repeatedly/1, repeat/1, from_list/1, transform/3, fold/3, run/1, to_list/1, step/1, take/2, drop/2, map/2, map2/3, append/2, flatten/1, concat/1, flat_map/2, filter/2, cycle/1, find/2, index/1, iterate/2, take_while/2, drop_while/2, scan/3, zip/2, chunk/2, sized_chunk/2, intersperse/2, any/2, all/2, group/2, reduce/2, last/1, empty/0, once/1, range/2, single/1, interleave/2, fold_until/3, try_fold/3, first/1, at/2, length/1, each/2, yield/2]).
--export_type([action/1, iterator/1, step/2, chunk/2, sized_chunk/1]).
-
--type action(BPF) :: stop | {continue, BPF, fun(() -> action(BPF))}.
-
--opaque iterator(BPG) :: {iterator, fun(() -> action(BPG))}.
-
--type step(BPH, BPI) :: {next, BPH, BPI} | done.
-
--type chunk(BPJ, BPK) :: {another_by,
- list(BPJ),
- BPK,
- BPJ,
- fun(() -> action(BPJ))} |
- {last_by, list(BPJ)}.
-
--type sized_chunk(BPL) :: {another, list(BPL), fun(() -> action(BPL))} |
- {last, list(BPL)} |
- no_more.
-
--spec stop() -> action(any()).
-stop() ->
- stop.
-
--spec do_unfold(BPO, fun((BPO) -> step(BPP, BPO))) -> fun(() -> action(BPP)).
-do_unfold(Initial, F) ->
- fun() -> case F(Initial) of
- {next, X, Acc} ->
- {continue, X, do_unfold(Acc, F)};
-
- done ->
- stop
- end end.
-
--spec unfold(BPT, fun((BPT) -> step(BPU, BPT))) -> iterator(BPU).
-unfold(Initial, F) ->
- _pipe = Initial,
- _pipe@1 = do_unfold(_pipe, F),
- {iterator, _pipe@1}.
-
--spec repeatedly(fun(() -> BPY)) -> iterator(BPY).
-repeatedly(F) ->
- unfold(nil, fun(_) -> {next, F(), nil} end).
-
--spec repeat(BQA) -> iterator(BQA).
-repeat(X) ->
- repeatedly(fun() -> X end).
-
--spec from_list(list(BQC)) -> iterator(BQC).
-from_list(List) ->
- Yield = fun(Acc) -> case Acc of
- [] ->
- done;
-
- [Head | Tail] ->
- {next, Head, Tail}
- end end,
- unfold(List, Yield).
-
--spec do_transform(
- fun(() -> action(BQF)),
- BQH,
- fun((BQH, BQF) -> step(BQI, BQH))
-) -> fun(() -> action(BQI)).
-do_transform(Continuation, State, F) ->
- fun() -> case Continuation() of
- stop ->
- stop;
-
- {continue, El, Next} ->
- case F(State, El) of
- done ->
- stop;
-
- {next, Yield, Next_state} ->
- {continue, Yield, do_transform(Next, Next_state, F)}
- end
- end end.
-
--spec transform(iterator(BQM), BQO, fun((BQO, BQM) -> step(BQP, BQO))) -> iterator(BQP).
-transform(Iterator, Initial, F) ->
- _pipe = do_transform(erlang:element(2, Iterator), Initial, F),
- {iterator, _pipe}.
-
--spec do_fold(fun(() -> action(BQT)), fun((BQV, BQT) -> BQV), BQV) -> BQV.
-do_fold(Continuation, F, Accumulator) ->
- case Continuation() of
- {continue, Elem, Next} ->
- do_fold(Next, F, F(Accumulator, Elem));
-
- stop ->
- Accumulator
- end.
-
--spec fold(iterator(BQW), BQY, fun((BQY, BQW) -> BQY)) -> BQY.
-fold(Iterator, Initial, F) ->
- _pipe = erlang:element(2, Iterator),
- do_fold(_pipe, F, Initial).
-
--spec run(iterator(any())) -> nil.
-run(Iterator) ->
- fold(Iterator, nil, fun(_, _) -> nil end).
-
--spec to_list(iterator(BRB)) -> list(BRB).
-to_list(Iterator) ->
- _pipe = Iterator,
- _pipe@1 = fold(_pipe, [], fun(Acc, E) -> [E | Acc] end),
- gleam@list:reverse(_pipe@1).
-
--spec step(iterator(BRE)) -> step(BRE, iterator(BRE)).
-step(Iterator) ->
- case (erlang:element(2, Iterator))() of
- stop ->
- done;
-
- {continue, E, A} ->
- {next, E, {iterator, A}}
- end.
-
--spec do_take(fun(() -> action(BRJ)), integer()) -> fun(() -> action(BRJ)).
-do_take(Continuation, Desired) ->
- fun() -> case Desired > 0 of
- false ->
- stop;
-
- true ->
- case Continuation() of
- stop ->
- stop;
-
- {continue, E, Next} ->
- {continue, E, do_take(Next, Desired - 1)}
- end
- end end.
-
--spec take(iterator(BRM), integer()) -> iterator(BRM).
-take(Iterator, Desired) ->
- _pipe = erlang:element(2, Iterator),
- _pipe@1 = do_take(_pipe, Desired),
- {iterator, _pipe@1}.
-
--spec do_drop(fun(() -> action(BRP)), integer()) -> action(BRP).
-do_drop(Continuation, Desired) ->
- case Continuation() of
- stop ->
- stop;
-
- {continue, E, Next} ->
- case Desired > 0 of
- true ->
- do_drop(Next, Desired - 1);
-
- false ->
- {continue, E, Next}
- end
- end.
-
--spec drop(iterator(BRS), integer()) -> iterator(BRS).
-drop(Iterator, Desired) ->
- _pipe = fun() -> do_drop(erlang:element(2, Iterator), Desired) end,
- {iterator, _pipe}.
-
--spec do_map(fun(() -> action(BRV)), fun((BRV) -> BRX)) -> fun(() -> action(BRX)).
-do_map(Continuation, F) ->
- fun() -> case Continuation() of
- stop ->
- stop;
-
- {continue, E, Continuation@1} ->
- {continue, F(E), do_map(Continuation@1, F)}
- end end.
-
--spec map(iterator(BRZ), fun((BRZ) -> BSB)) -> iterator(BSB).
-map(Iterator, F) ->
- _pipe = erlang:element(2, Iterator),
- _pipe@1 = do_map(_pipe, F),
- {iterator, _pipe@1}.
-
--spec do_map2(
- fun(() -> action(BSD)),
- fun(() -> action(BSF)),
- fun((BSD, BSF) -> BSH)
-) -> fun(() -> action(BSH)).
-do_map2(Continuation1, Continuation2, Fun) ->
- fun() -> case Continuation1() of
- stop ->
- stop;
-
- {continue, A, Next_a} ->
- case Continuation2() of
- stop ->
- stop;
-
- {continue, B, Next_b} ->
- {continue, Fun(A, B), do_map2(Next_a, Next_b, Fun)}
- end
- end end.
-
--spec map2(iterator(BSJ), iterator(BSL), fun((BSJ, BSL) -> BSN)) -> iterator(BSN).
-map2(Iterator1, Iterator2, Fun) ->
- _pipe = do_map2(
- erlang:element(2, Iterator1),
- erlang:element(2, Iterator2),
- Fun
- ),
- {iterator, _pipe}.
-
--spec do_append(fun(() -> action(BSP)), fun(() -> action(BSP))) -> action(BSP).
-do_append(First, Second) ->
- case First() of
- {continue, E, First@1} ->
- {continue, E, fun() -> do_append(First@1, Second) end};
-
- stop ->
- Second()
- end.
-
--spec append(iterator(BST), iterator(BST)) -> iterator(BST).
-append(First, Second) ->
- _pipe = fun() ->
- do_append(erlang:element(2, First), erlang:element(2, Second))
- end,
- {iterator, _pipe}.
-
--spec do_flatten(fun(() -> action(iterator(BSX)))) -> action(BSX).
-do_flatten(Flattened) ->
- case Flattened() of
- stop ->
- stop;
-
- {continue, It, Next_iterator} ->
- do_append(
- erlang:element(2, It),
- fun() -> do_flatten(Next_iterator) end
- )
- end.
-
--spec flatten(iterator(iterator(BTB))) -> iterator(BTB).
-flatten(Iterator) ->
- _pipe = fun() -> do_flatten(erlang:element(2, Iterator)) end,
- {iterator, _pipe}.
-
--spec concat(list(iterator(BTF))) -> iterator(BTF).
-concat(Iterators) ->
- flatten(from_list(Iterators)).
-
--spec flat_map(iterator(BTJ), fun((BTJ) -> iterator(BTL))) -> iterator(BTL).
-flat_map(Iterator, F) ->
- _pipe = Iterator,
- _pipe@1 = map(_pipe, F),
- flatten(_pipe@1).
-
--spec do_filter(fun(() -> action(BTO)), fun((BTO) -> boolean())) -> action(BTO).
-do_filter(Continuation, Predicate) ->
- case Continuation() of
- stop ->
- stop;
-
- {continue, E, Iterator} ->
- case Predicate(E) of
- true ->
- {continue, E, fun() -> do_filter(Iterator, Predicate) end};
-
- false ->
- do_filter(Iterator, Predicate)
- end
- end.
-
--spec filter(iterator(BTR), fun((BTR) -> boolean())) -> iterator(BTR).
-filter(Iterator, Predicate) ->
- _pipe = fun() -> do_filter(erlang:element(2, Iterator), Predicate) end,
- {iterator, _pipe}.
-
--spec cycle(iterator(BTU)) -> iterator(BTU).
-cycle(Iterator) ->
- _pipe = repeat(Iterator),
- flatten(_pipe).
-
--spec do_find(fun(() -> action(BTY)), fun((BTY) -> boolean())) -> {ok, BTY} |
- {error, nil}.
-do_find(Continuation, F) ->
- case Continuation() of
- stop ->
- {error, nil};
-
- {continue, E, Next} ->
- case F(E) of
- true ->
- {ok, E};
-
- false ->
- do_find(Next, F)
- end
- end.
-
--spec find(iterator(BUC), fun((BUC) -> boolean())) -> {ok, BUC} | {error, nil}.
-find(Haystack, Is_desired) ->
- _pipe = erlang:element(2, Haystack),
- do_find(_pipe, Is_desired).
-
--spec do_index(fun(() -> action(BUG)), integer()) -> fun(() -> action({integer(),
- BUG})).
-do_index(Continuation, Next) ->
- fun() -> case Continuation() of
- stop ->
- stop;
-
- {continue, E, Continuation@1} ->
- {continue, {Next, E}, do_index(Continuation@1, Next + 1)}
- end end.
-
--spec index(iterator(BUJ)) -> iterator({integer(), BUJ}).
-index(Iterator) ->
- _pipe = erlang:element(2, Iterator),
- _pipe@1 = do_index(_pipe, 0),
- {iterator, _pipe@1}.
-
--spec iterate(BUM, fun((BUM) -> BUM)) -> iterator(BUM).
-iterate(Initial, F) ->
- unfold(Initial, fun(Element) -> {next, Element, F(Element)} end).
-
--spec do_take_while(fun(() -> action(BUO)), fun((BUO) -> boolean())) -> fun(() -> action(BUO)).
-do_take_while(Continuation, Predicate) ->
- fun() -> case Continuation() of
- stop ->
- stop;
-
- {continue, E, Next} ->
- case Predicate(E) of
- false ->
- stop;
-
- true ->
- {continue, E, do_take_while(Next, Predicate)}
- end
- end end.
-
--spec take_while(iterator(BUR), fun((BUR) -> boolean())) -> iterator(BUR).
-take_while(Iterator, Predicate) ->
- _pipe = erlang:element(2, Iterator),
- _pipe@1 = do_take_while(_pipe, Predicate),
- {iterator, _pipe@1}.
-
--spec do_drop_while(fun(() -> action(BUU)), fun((BUU) -> boolean())) -> action(BUU).
-do_drop_while(Continuation, Predicate) ->
- case Continuation() of
- stop ->
- stop;
-
- {continue, E, Next} ->
- case Predicate(E) of
- false ->
- {continue, E, Next};
-
- true ->
- do_drop_while(Next, Predicate)
- end
- end.
-
--spec drop_while(iterator(BUX), fun((BUX) -> boolean())) -> iterator(BUX).
-drop_while(Iterator, Predicate) ->
- _pipe = fun() -> do_drop_while(erlang:element(2, Iterator), Predicate) end,
- {iterator, _pipe}.
-
--spec do_scan(fun(() -> action(BVA)), fun((BVC, BVA) -> BVC), BVC) -> fun(() -> action(BVC)).
-do_scan(Continuation, F, Accumulator) ->
- fun() -> case Continuation() of
- stop ->
- stop;
-
- {continue, El, Next} ->
- Accumulated = F(Accumulator, El),
- {continue, Accumulated, do_scan(Next, F, Accumulated)}
- end end.
-
--spec scan(iterator(BVE), BVG, fun((BVG, BVE) -> BVG)) -> iterator(BVG).
-scan(Iterator, Initial, F) ->
- _pipe = erlang:element(2, Iterator),
- _pipe@1 = do_scan(_pipe, F, Initial),
- {iterator, _pipe@1}.
-
--spec do_zip(fun(() -> action(BVI)), fun(() -> action(BVK))) -> fun(() -> action({BVI,
- BVK})).
-do_zip(Left, Right) ->
- fun() -> case Left() of
- stop ->
- stop;
-
- {continue, El_left, Next_left} ->
- case Right() of
- stop ->
- stop;
-
- {continue, El_right, Next_right} ->
- {continue,
- {El_left, El_right},
- do_zip(Next_left, Next_right)}
- end
- end end.
-
--spec zip(iterator(BVN), iterator(BVP)) -> iterator({BVN, BVP}).
-zip(Left, Right) ->
- _pipe = do_zip(erlang:element(2, Left), erlang:element(2, Right)),
- {iterator, _pipe}.
-
--spec next_chunk(fun(() -> action(BVS)), fun((BVS) -> BVU), BVU, list(BVS)) -> chunk(BVS, BVU).
-next_chunk(Continuation, F, Previous_key, Current_chunk) ->
- case Continuation() of
- stop ->
- {last_by, gleam@list:reverse(Current_chunk)};
-
- {continue, E, Next} ->
- Key = F(E),
- case Key =:= Previous_key of
- true ->
- next_chunk(Next, F, Key, [E | Current_chunk]);
-
- false ->
- {another_by,
- gleam@list:reverse(Current_chunk),
- Key,
- E,
- Next}
- end
- end.
-
--spec do_chunk(fun(() -> action(BVY)), fun((BVY) -> BWA), BWA, BVY) -> action(list(BVY)).
-do_chunk(Continuation, F, Previous_key, Previous_element) ->
- case next_chunk(Continuation, F, Previous_key, [Previous_element]) of
- {last_by, Chunk} ->
- {continue, Chunk, fun stop/0};
-
- {another_by, Chunk@1, Key, El, Next} ->
- {continue, Chunk@1, fun() -> do_chunk(Next, F, Key, El) end}
- end.
-
--spec chunk(iterator(BWD), fun((BWD) -> any())) -> iterator(list(BWD)).
-chunk(Iterator, F) ->
- _pipe = fun() -> case (erlang:element(2, Iterator))() of
- stop ->
- stop;
-
- {continue, E, Next} ->
- do_chunk(Next, F, F(E), E)
- end end,
- {iterator, _pipe}.
-
--spec next_sized_chunk(fun(() -> action(BWI)), integer(), list(BWI)) -> sized_chunk(BWI).
-next_sized_chunk(Continuation, Left, Current_chunk) ->
- case Continuation() of
- stop ->
- case Current_chunk of
- [] ->
- no_more;
-
- Remaining ->
- {last, gleam@list:reverse(Remaining)}
- end;
-
- {continue, E, Next} ->
- Chunk = [E | Current_chunk],
- case Left > 1 of
- false ->
- {another, gleam@list:reverse(Chunk), Next};
-
- true ->
- next_sized_chunk(Next, Left - 1, Chunk)
- end
- end.
-
--spec do_sized_chunk(fun(() -> action(BWM)), integer()) -> fun(() -> action(list(BWM))).
-do_sized_chunk(Continuation, Count) ->
- fun() -> case next_sized_chunk(Continuation, Count, []) of
- no_more ->
- stop;
-
- {last, Chunk} ->
- {continue, Chunk, fun stop/0};
-
- {another, Chunk@1, Next_element} ->
- {continue, Chunk@1, do_sized_chunk(Next_element, Count)}
- end end.
-
--spec sized_chunk(iterator(BWQ), integer()) -> iterator(list(BWQ)).
-sized_chunk(Iterator, Count) ->
- _pipe = erlang:element(2, Iterator),
- _pipe@1 = do_sized_chunk(_pipe, Count),
- {iterator, _pipe@1}.
-
--spec do_intersperse(fun(() -> action(BWU)), BWU) -> action(BWU).
-do_intersperse(Continuation, Separator) ->
- case Continuation() of
- stop ->
- stop;
-
- {continue, E, Next} ->
- Next_interspersed = fun() -> do_intersperse(Next, Separator) end,
- {continue, Separator, fun() -> {continue, E, Next_interspersed} end}
- end.
-
--spec intersperse(iterator(BWX), BWX) -> iterator(BWX).
-intersperse(Iterator, Elem) ->
- _pipe = fun() -> case (erlang:element(2, Iterator))() of
- stop ->
- stop;
-
- {continue, E, Next} ->
- {continue, E, fun() -> do_intersperse(Next, Elem) end}
- end end,
- {iterator, _pipe}.
-
--spec do_any(fun(() -> action(BXA)), fun((BXA) -> boolean())) -> boolean().
-do_any(Continuation, Predicate) ->
- case Continuation() of
- stop ->
- false;
-
- {continue, E, Next} ->
- case Predicate(E) of
- true ->
- true;
-
- false ->
- do_any(Next, Predicate)
- end
- end.
-
--spec any(iterator(BXC), fun((BXC) -> boolean())) -> boolean().
-any(Iterator, Predicate) ->
- _pipe = erlang:element(2, Iterator),
- do_any(_pipe, Predicate).
-
--spec do_all(fun(() -> action(BXE)), fun((BXE) -> boolean())) -> boolean().
-do_all(Continuation, Predicate) ->
- case Continuation() of
- stop ->
- true;
-
- {continue, E, Next} ->
- case Predicate(E) of
- true ->
- do_all(Next, Predicate);
-
- false ->
- false
- end
- end.
-
--spec all(iterator(BXG), fun((BXG) -> boolean())) -> boolean().
-all(Iterator, Predicate) ->
- _pipe = erlang:element(2, Iterator),
- do_all(_pipe, Predicate).
-
--spec update_group_with(BXI) -> fun((gleam@option:option(list(BXI))) -> list(BXI)).
-update_group_with(El) ->
- fun(Maybe_group) -> case Maybe_group of
- {some, Group} ->
- [El | Group];
-
- none ->
- [El]
- end end.
-
--spec group_updater(fun((BXM) -> BXN)) -> fun((gleam@dict:dict(BXN, list(BXM)), BXM) -> gleam@dict:dict(BXN, list(BXM))).
-group_updater(F) ->
- fun(Groups, Elem) -> _pipe = Groups,
- gleam@dict:update(_pipe, F(Elem), update_group_with(Elem)) end.
-
--spec group(iterator(BXU), fun((BXU) -> BXW)) -> gleam@dict:dict(BXW, list(BXU)).
-group(Iterator, Key) ->
- _pipe = Iterator,
- _pipe@1 = fold(_pipe, gleam@dict:new(), group_updater(Key)),
- gleam@dict:map_values(
- _pipe@1,
- fun(_, Group) -> gleam@list:reverse(Group) end
- ).
-
--spec reduce(iterator(BYA), fun((BYA, BYA) -> BYA)) -> {ok, BYA} | {error, nil}.
-reduce(Iterator, F) ->
- case (erlang:element(2, Iterator))() of
- stop ->
- {error, nil};
-
- {continue, E, Next} ->
- _pipe = do_fold(Next, F, E),
- {ok, _pipe}
- end.
-
--spec last(iterator(BYE)) -> {ok, BYE} | {error, nil}.
-last(Iterator) ->
- _pipe = Iterator,
- reduce(_pipe, fun(_, Elem) -> Elem end).
-
--spec empty() -> iterator(any()).
-empty() ->
- {iterator, fun stop/0}.
-
--spec once(fun(() -> BYK)) -> iterator(BYK).
-once(F) ->
- _pipe = fun() -> {continue, F(), fun stop/0} end,
- {iterator, _pipe}.
-
--spec range(integer(), integer()) -> iterator(integer()).
-range(Start, Stop) ->
- case gleam@int:compare(Start, Stop) of
- eq ->
- once(fun() -> Start end);
-
- gt ->
- unfold(Start, fun(Current) -> case Current < Stop of
- false ->
- {next, Current, Current - 1};
-
- true ->
- done
- end end);
-
- lt ->
- unfold(Start, fun(Current@1) -> case Current@1 > Stop of
- false ->
- {next, Current@1, Current@1 + 1};
-
- true ->
- done
- end end)
- end.
-
--spec single(BYM) -> iterator(BYM).
-single(Elem) ->
- once(fun() -> Elem end).
-
--spec do_interleave(fun(() -> action(BYO)), fun(() -> action(BYO))) -> action(BYO).
-do_interleave(Current, Next) ->
- case Current() of
- stop ->
- Next();
-
- {continue, E, Next_other} ->
- {continue, E, fun() -> do_interleave(Next, Next_other) end}
- end.
-
--spec interleave(iterator(BYS), iterator(BYS)) -> iterator(BYS).
-interleave(Left, Right) ->
- _pipe = fun() ->
- do_interleave(erlang:element(2, Left), erlang:element(2, Right))
- end,
- {iterator, _pipe}.
-
--spec do_fold_until(
- fun(() -> action(BYW)),
- fun((BYY, BYW) -> gleam@list:continue_or_stop(BYY)),
- BYY
-) -> BYY.
-do_fold_until(Continuation, F, Accumulator) ->
- case Continuation() of
- stop ->
- Accumulator;
-
- {continue, Elem, Next} ->
- case F(Accumulator, Elem) of
- {continue, Accumulator@1} ->
- do_fold_until(Next, F, Accumulator@1);
-
- {stop, Accumulator@2} ->
- Accumulator@2
- end
- end.
-
--spec fold_until(
- iterator(BZA),
- BZC,
- fun((BZC, BZA) -> gleam@list:continue_or_stop(BZC))
-) -> BZC.
-fold_until(Iterator, Initial, F) ->
- _pipe = erlang:element(2, Iterator),
- do_fold_until(_pipe, F, Initial).
-
--spec do_try_fold(
- fun(() -> action(BZE)),
- fun((BZG, BZE) -> {ok, BZG} | {error, BZH}),
- BZG
-) -> {ok, BZG} | {error, BZH}.
-do_try_fold(Continuation, F, Accumulator) ->
- case Continuation() of
- stop ->
- {ok, Accumulator};
-
- {continue, Elem, Next} ->
- gleam@result:'try'(
- F(Accumulator, Elem),
- fun(Accumulator@1) -> do_try_fold(Next, F, Accumulator@1) end
- )
- end.
-
--spec try_fold(iterator(BZM), BZO, fun((BZO, BZM) -> {ok, BZO} | {error, BZP})) -> {ok,
- BZO} |
- {error, BZP}.
-try_fold(Iterator, Initial, F) ->
- _pipe = erlang:element(2, Iterator),
- do_try_fold(_pipe, F, Initial).
-
--spec first(iterator(BZU)) -> {ok, BZU} | {error, nil}.
-first(Iterator) ->
- case (erlang:element(2, Iterator))() of
- stop ->
- {error, nil};
-
- {continue, E, _} ->
- {ok, E}
- end.
-
--spec at(iterator(BZY), integer()) -> {ok, BZY} | {error, nil}.
-at(Iterator, Index) ->
- _pipe = Iterator,
- _pipe@1 = drop(_pipe, Index),
- first(_pipe@1).
-
--spec do_length(fun(() -> action(any())), integer()) -> integer().
-do_length(Continuation, Length) ->
- case Continuation() of
- stop ->
- Length;
-
- {continue, _, Next} ->
- do_length(Next, Length + 1)
- end.
-
--spec length(iterator(any())) -> integer().
-length(Iterator) ->
- _pipe = erlang:element(2, Iterator),
- do_length(_pipe, 0).
-
--spec each(iterator(CAG), fun((CAG) -> any())) -> nil.
-each(Iterator, F) ->
- _pipe = Iterator,
- _pipe@1 = map(_pipe, F),
- run(_pipe@1).
-
--spec yield(CAJ, fun(() -> iterator(CAJ))) -> iterator(CAJ).
-yield(Element, Next) ->
- {iterator, fun() -> {continue, Element, erlang:element(2, Next())} end}.