Packages
gleam_stdlib
0.42.0
1.0.3
1.0.2
1.0.1
1.0.0
0.71.0
0.70.0
0.69.0
0.68.1
0.68.0
0.67.1
0.67.0
0.65.0
0.64.0
0.63.2
0.63.1
0.63.0
0.62.1
0.62.0
0.61.0
0.60.0
0.59.0
0.58.0
0.57.0
0.56.0
0.55.0
0.54.0
0.53.0
0.52.0
0.51.0
0.50.0
0.49.0
0.48.0
0.47.0
0.46.0
0.45.0
0.44.0
0.43.0
0.42.0
0.41.0
0.40.0
0.39.0
0.38.0
0.37.0
0.36.0
0.35.1
0.35.0
0.34.0
0.33.1
0.33.0
0.32.1
0.32.0
0.31.0
0.30.2
0.30.1
0.30.0
0.29.2
0.29.1
0.29.0
0.28.2
0.28.1
0.28.0
0.27.0
0.26.1
0.26.0
0.25.0
0.24.0
0.23.0
0.22.3
0.22.2
0.22.1
0.22.0
0.21.0
0.20.0
0.19.3
0.19.2
0.19.1
0.19.0
0.18.1
0.18.0
0.18.0-rc1
0.17.1
0.17.0
0.16.0
0.15.0
0.14.0
0.13.0
0.12.0
0.11.0
0.10.1
0.10.0
0.9.0
0.8.0
0.7.0
0.6.0
0.5.0
0.4.0
0.4.0-rc1
0.3.1
0.3.0
0.2.0
retired
A standard library for the Gleam programming language
Current section
Files
Jump to
Current section
Files
src/gleam@iterator.erl
-module(gleam@iterator).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).
-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, filter_map/2, cycle/1, find/2, find_map/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(DVG) :: stop | {continue, DVG, fun(() -> action(DVG))}.
-opaque iterator(DVH) :: {iterator, fun(() -> action(DVH))}.
-type step(DVI, DVJ) :: {next, DVI, DVJ} | done.
-type chunk(DVK, DVL) :: {another_by,
list(DVK),
DVL,
DVK,
fun(() -> action(DVK))} |
{last_by, list(DVK)}.
-type sized_chunk(DVM) :: {another, list(DVM), fun(() -> action(DVM))} |
{last, list(DVM)} |
no_more.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 37).
-spec stop() -> action(any()).
stop() ->
stop.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 72).
-spec unfold_loop(DVU, fun((DVU) -> step(DVV, DVU))) -> fun(() -> action(DVV)).
unfold_loop(Initial, F) ->
fun() -> case F(Initial) of
{next, X, Acc} ->
{continue, X, unfold_loop(Acc, F)};
done ->
stop
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 62).
-spec unfold(DVP, fun((DVP) -> step(DVQ, DVP))) -> iterator(DVQ).
unfold(Initial, F) ->
_pipe = Initial,
_pipe@1 = unfold_loop(_pipe, F),
{iterator, _pipe@1}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 94).
-spec repeatedly(fun(() -> DVZ)) -> iterator(DVZ).
repeatedly(F) ->
unfold(nil, fun(_) -> {next, F(), nil} end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 109).
-spec repeat(DWB) -> iterator(DWB).
repeat(X) ->
repeatedly(fun() -> X end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 123).
-spec from_list(list(DWD)) -> iterator(DWD).
from_list(List) ->
Yield = fun(Acc) -> case Acc of
[] ->
done;
[Head | Tail] ->
{next, Head, Tail}
end end,
unfold(List, Yield).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 134).
-spec transform_loop(
fun(() -> action(DWG)),
DWI,
fun((DWI, DWG) -> step(DWJ, DWI))
) -> fun(() -> action(DWJ)).
transform_loop(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, transform_loop(Next, Next_state, F)}
end
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 169).
-spec transform(iterator(DWN), DWP, fun((DWP, DWN) -> step(DWQ, DWP))) -> iterator(DWQ).
transform(Iterator, Initial, F) ->
_pipe = transform_loop(erlang:element(2, Iterator), Initial, F),
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 204).
-spec fold_loop(fun(() -> action(DWX)), fun((DWZ, DWX) -> DWZ), DWZ) -> DWZ.
fold_loop(Continuation, F, Accumulator) ->
case Continuation() of
{continue, Elem, Next} ->
fold_loop(Next, F, F(Accumulator, Elem));
stop ->
Accumulator
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 195).
-spec fold(iterator(DWU), DWW, fun((DWW, DWU) -> DWW)) -> DWW.
fold(Iterator, Initial, F) ->
_pipe = erlang:element(2, Iterator),
fold_loop(_pipe, F, Initial).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 220).
-spec run(iterator(any())) -> nil.
run(Iterator) ->
fold(Iterator, nil, fun(_, _) -> nil end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 238).
-spec to_list(iterator(DXC)) -> list(DXC).
to_list(Iterator) ->
_pipe = Iterator,
_pipe@1 = fold(_pipe, [], fun(Acc, E) -> [E | Acc] end),
lists:reverse(_pipe@1).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 266).
-spec step(iterator(DXF)) -> step(DXF, iterator(DXF)).
step(Iterator) ->
case (erlang:element(2, Iterator))() of
stop ->
done;
{continue, E, A} ->
{next, E, {iterator, A}}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 299).
-spec take_loop(fun(() -> action(DXN)), integer()) -> fun(() -> action(DXN)).
take_loop(Continuation, Desired) ->
fun() -> case Desired > 0 of
false ->
stop;
true ->
case Continuation() of
stop ->
stop;
{continue, E, Next} ->
{continue, E, take_loop(Next, Desired - 1)}
end
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 293).
-spec take(iterator(DXK), integer()) -> iterator(DXK).
take(Iterator, Desired) ->
_pipe = erlang:element(2, Iterator),
_pipe@1 = take_loop(_pipe, Desired),
{iterator, _pipe@1}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 342).
-spec drop_loop(fun(() -> action(DXT)), integer()) -> action(DXT).
drop_loop(Continuation, Desired) ->
case Continuation() of
stop ->
stop;
{continue, E, Next} ->
case Desired > 0 of
true ->
drop_loop(Next, Desired - 1);
false ->
{continue, E, Next}
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 337).
-spec drop(iterator(DXQ), integer()) -> iterator(DXQ).
drop(Iterator, Desired) ->
_pipe = fun() -> drop_loop(erlang:element(2, Iterator), Desired) end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 376).
-spec map_loop(fun(() -> action(DYA)), fun((DYA) -> DYC)) -> fun(() -> action(DYC)).
map_loop(Continuation, F) ->
fun() -> case Continuation() of
stop ->
stop;
{continue, E, Continuation@1} ->
{continue, F(E), map_loop(Continuation@1, F)}
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 370).
-spec map(iterator(DXW), fun((DXW) -> DXY)) -> iterator(DXY).
map(Iterator, F) ->
_pipe = erlang:element(2, Iterator),
_pipe@1 = map_loop(_pipe, F),
{iterator, _pipe@1}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 417).
-spec map2_loop(
fun(() -> action(DYK)),
fun(() -> action(DYM)),
fun((DYK, DYM) -> DYO)
) -> fun(() -> action(DYO)).
map2_loop(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), map2_loop(Next_a, Next_b, Fun)}
end
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 408).
-spec map2(iterator(DYE), iterator(DYG), fun((DYE, DYG) -> DYI)) -> iterator(DYI).
map2(Iterator1, Iterator2, Fun) ->
_pipe = map2_loop(
erlang:element(2, Iterator1),
erlang:element(2, Iterator2),
Fun
),
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 454).
-spec append_loop(fun(() -> action(DYU)), fun(() -> action(DYU))) -> action(DYU).
append_loop(First, Second) ->
case First() of
{continue, E, First@1} ->
{continue, E, fun() -> append_loop(First@1, Second) end};
stop ->
Second()
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 449).
-spec append(iterator(DYQ), iterator(DYQ)) -> iterator(DYQ).
append(First, Second) ->
_pipe = fun() ->
append_loop(erlang:element(2, First), erlang:element(2, Second))
end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 481).
-spec flatten_loop(fun(() -> action(iterator(DZC)))) -> action(DZC).
flatten_loop(Flattened) ->
case Flattened() of
stop ->
stop;
{continue, It, Next_iterator} ->
append_loop(
erlang:element(2, It),
fun() -> flatten_loop(Next_iterator) end
)
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 476).
-spec flatten(iterator(iterator(DYY))) -> iterator(DYY).
flatten(Iterator) ->
_pipe = fun() -> flatten_loop(erlang:element(2, Iterator)) end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 504).
-spec concat(list(iterator(DZG))) -> iterator(DZG).
concat(Iterators) ->
flatten(from_list(Iterators)).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 526).
-spec flat_map(iterator(DZK), fun((DZK) -> iterator(DZM))) -> iterator(DZM).
flat_map(Iterator, F) ->
_pipe = Iterator,
_pipe@1 = map(_pipe, F),
flatten(_pipe@1).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 562).
-spec filter_loop(fun(() -> action(DZS)), fun((DZS) -> boolean())) -> action(DZS).
filter_loop(Continuation, Predicate) ->
case Continuation() of
stop ->
stop;
{continue, E, Iterator} ->
case Predicate(E) of
true ->
{continue, E, fun() -> filter_loop(Iterator, Predicate) end};
false ->
filter_loop(Iterator, Predicate)
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 554).
-spec filter(iterator(DZP), fun((DZP) -> boolean())) -> iterator(DZP).
filter(Iterator, Predicate) ->
_pipe = fun() -> filter_loop(erlang:element(2, Iterator), Predicate) end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 606).
-spec filter_map_loop(
fun(() -> action(EAC)),
fun((EAC) -> {ok, EAE} | {error, any()})
) -> action(EAE).
filter_map_loop(Continuation, F) ->
case Continuation() of
stop ->
stop;
{continue, E, Next} ->
case F(E) of
{ok, E@1} ->
{continue, E@1, fun() -> filter_map_loop(Next, F) end};
{error, _} ->
filter_map_loop(Next, F)
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 598).
-spec filter_map(iterator(DZV), fun((DZV) -> {ok, DZX} | {error, any()})) -> iterator(DZX).
filter_map(Iterator, F) ->
_pipe = fun() -> filter_map_loop(erlang:element(2, Iterator), F) end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 632).
-spec cycle(iterator(EAJ)) -> iterator(EAJ).
cycle(Iterator) ->
_pipe = repeat(Iterator),
flatten(_pipe).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 709).
-spec find_loop(fun(() -> action(EAR)), fun((EAR) -> boolean())) -> {ok, EAR} |
{error, nil}.
find_loop(Continuation, F) ->
case Continuation() of
stop ->
{error, nil};
{continue, E, Next} ->
case F(E) of
true ->
{ok, E};
false ->
find_loop(Next, F)
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 701).
-spec find(iterator(EAN), fun((EAN) -> boolean())) -> {ok, EAN} | {error, nil}.
find(Haystack, Is_desired) ->
_pipe = erlang:element(2, Haystack),
find_loop(_pipe, Is_desired).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 754).
-spec find_map_loop(
fun(() -> action(EBD)),
fun((EBD) -> {ok, EBF} | {error, any()})
) -> {ok, EBF} | {error, nil}.
find_map_loop(Continuation, F) ->
case Continuation() of
stop ->
{error, nil};
{continue, E, Next} ->
case F(E) of
{ok, E@1} ->
{ok, E@1};
{error, _} ->
find_map_loop(Next, F)
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 746).
-spec find_map(iterator(EAV), fun((EAV) -> {ok, EAX} | {error, any()})) -> {ok,
EAX} |
{error, nil}.
find_map(Haystack, Is_desired) ->
_pipe = erlang:element(2, Haystack),
find_map_loop(_pipe, Is_desired).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 783).
-spec index_loop(fun(() -> action(EBO)), integer()) -> fun(() -> action({EBO,
integer()})).
index_loop(Continuation, Next) ->
fun() -> case Continuation() of
stop ->
stop;
{continue, E, Continuation@1} ->
{continue, {E, Next}, index_loop(Continuation@1, Next + 1)}
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 777).
-spec index(iterator(EBL)) -> iterator({EBL, integer()}).
index(Iterator) ->
_pipe = erlang:element(2, Iterator),
_pipe@1 = index_loop(_pipe, 0),
{iterator, _pipe@1}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 805).
-spec iterate(EBR, fun((EBR) -> EBR)) -> iterator(EBR).
iterate(Initial, F) ->
unfold(Initial, fun(Element) -> {next, Element, F(Element)} end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 832).
-spec take_while_loop(fun(() -> action(EBW)), fun((EBW) -> boolean())) -> fun(() -> action(EBW)).
take_while_loop(Continuation, Predicate) ->
fun() -> case Continuation() of
stop ->
stop;
{continue, E, Next} ->
case Predicate(E) of
false ->
stop;
true ->
{continue, E, take_while_loop(Next, Predicate)}
end
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 823).
-spec take_while(iterator(EBT), fun((EBT) -> boolean())) -> iterator(EBT).
take_while(Iterator, Predicate) ->
_pipe = erlang:element(2, Iterator),
_pipe@1 = take_while_loop(_pipe, Predicate),
{iterator, _pipe@1}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 868).
-spec drop_while_loop(fun(() -> action(ECC)), fun((ECC) -> boolean())) -> action(ECC).
drop_while_loop(Continuation, Predicate) ->
case Continuation() of
stop ->
stop;
{continue, E, Next} ->
case Predicate(E) of
false ->
{continue, E, Next};
true ->
drop_while_loop(Next, Predicate)
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 860).
-spec drop_while(iterator(EBZ), fun((EBZ) -> boolean())) -> iterator(EBZ).
drop_while(Iterator, Predicate) ->
_pipe = fun() -> drop_while_loop(erlang:element(2, Iterator), Predicate) end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 906).
-spec scan_loop(fun(() -> action(ECJ)), fun((ECL, ECJ) -> ECL), ECL) -> fun(() -> action(ECL)).
scan_loop(Continuation, F, Accumulator) ->
fun() -> case Continuation() of
stop ->
stop;
{continue, El, Next} ->
Accumulated = F(Accumulator, El),
{continue, Accumulated, scan_loop(Next, F, Accumulated)}
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 896).
-spec scan(iterator(ECF), ECH, fun((ECH, ECF) -> ECH)) -> iterator(ECH).
scan(Iterator, Initial, F) ->
_pipe = erlang:element(2, Iterator),
_pipe@1 = scan_loop(_pipe, F, Initial),
{iterator, _pipe@1}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 939).
-spec zip_loop(fun(() -> action(ECS)), fun(() -> action(ECU))) -> fun(() -> action({ECS,
ECU})).
zip_loop(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},
zip_loop(Next_left, Next_right)}
end
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 934).
-spec zip(iterator(ECN), iterator(ECP)) -> iterator({ECN, ECP}).
zip(Left, Right) ->
_pipe = zip_loop(erlang:element(2, Left), erlang:element(2, Right)),
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1000).
-spec next_chunk(fun(() -> action(EDH)), fun((EDH) -> EDJ), EDJ, list(EDH)) -> chunk(EDH, EDJ).
next_chunk(Continuation, F, Previous_key, Current_chunk) ->
case Continuation() of
stop ->
{last_by, lists: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, lists:reverse(Current_chunk), Key, E, Next}
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 987).
-spec chunk_loop(fun(() -> action(EDC)), fun((EDC) -> EDE), EDE, EDC) -> action(list(EDC)).
chunk_loop(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() -> chunk_loop(Next, F, Key, El) end}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 974).
-spec chunk(iterator(ECX), fun((ECX) -> any())) -> iterator(list(ECX)).
chunk(Iterator, F) ->
_pipe = fun() -> case (erlang:element(2, Iterator))() of
stop ->
stop;
{continue, E, Next} ->
chunk_loop(Next, F, F(E), E)
end end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1071).
-spec next_sized_chunk(fun(() -> action(EDV)), integer(), list(EDV)) -> sized_chunk(EDV).
next_sized_chunk(Continuation, Left, Current_chunk) ->
case Continuation() of
stop ->
case Current_chunk of
[] ->
no_more;
Remaining ->
{last, lists:reverse(Remaining)}
end;
{continue, E, Next} ->
Chunk = [E | Current_chunk],
case Left > 1 of
false ->
{another, lists:reverse(Chunk), Next};
true ->
next_sized_chunk(Next, Left - 1, Chunk)
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1050).
-spec sized_chunk_loop(fun(() -> action(EDR)), integer()) -> fun(() -> action(list(EDR))).
sized_chunk_loop(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, sized_chunk_loop(Next_element, Count)}
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1041).
-spec sized_chunk(iterator(EDN), integer()) -> iterator(list(EDN)).
sized_chunk(Iterator, Count) ->
_pipe = erlang:element(2, Iterator),
_pipe@1 = sized_chunk_loop(_pipe, Count),
{iterator, _pipe@1}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1131).
-spec intersperse_loop(fun(() -> action(EEC)), EEC) -> action(EEC).
intersperse_loop(Continuation, Separator) ->
case Continuation() of
stop ->
stop;
{continue, E, Next} ->
Next_interspersed = fun() -> intersperse_loop(Next, Separator) end,
{continue, Separator, fun() -> {continue, E, Next_interspersed} end}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1118).
-spec intersperse(iterator(EDZ), EDZ) -> iterator(EDZ).
intersperse(Iterator, Elem) ->
_pipe = fun() -> case (erlang:element(2, Iterator))() of
stop ->
stop;
{continue, E, Next} ->
{continue, E, fun() -> intersperse_loop(Next, Elem) end}
end end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1179).
-spec any_loop(fun(() -> action(EEH)), fun((EEH) -> boolean())) -> boolean().
any_loop(Continuation, Predicate) ->
case Continuation() of
stop ->
false;
{continue, E, Next} ->
case Predicate(E) of
true ->
true;
false ->
any_loop(Next, Predicate)
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1171).
-spec any(iterator(EEF), fun((EEF) -> boolean())) -> boolean().
any(Iterator, Predicate) ->
_pipe = erlang:element(2, Iterator),
any_loop(_pipe, Predicate).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1228).
-spec all_loop(fun(() -> action(EEL)), fun((EEL) -> boolean())) -> boolean().
all_loop(Continuation, Predicate) ->
case Continuation() of
stop ->
true;
{continue, E, Next} ->
case Predicate(E) of
true ->
all_loop(Next, Predicate);
false ->
false
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1220).
-spec all(iterator(EEJ), fun((EEJ) -> boolean())) -> boolean().
all(Iterator, Predicate) ->
_pipe = erlang:element(2, Iterator),
all_loop(_pipe, Predicate).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1273).
-spec update_group_with(EFB) -> fun((gleam@option:option(list(EFB))) -> list(EFB)).
update_group_with(El) ->
fun(Maybe_group) -> case Maybe_group of
{some, Group} ->
[El | Group];
none ->
[El]
end end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1264).
-spec group_updater(fun((EET) -> EEU)) -> fun((gleam@dict:dict(EEU, list(EET)), EET) -> gleam@dict:dict(EEU, list(EET))).
group_updater(F) ->
fun(Groups, Elem) -> _pipe = Groups,
gleam@dict:upsert(_pipe, F(Elem), update_group_with(Elem)) end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1255).
-spec group(iterator(EEN), fun((EEN) -> EEP)) -> gleam@dict:dict(EEP, list(EEN)).
group(Iterator, Key) ->
_pipe = Iterator,
_pipe@1 = fold(_pipe, gleam@dict:new(), group_updater(Key)),
gleam@dict:map_values(_pipe@1, fun(_, Group) -> lists:reverse(Group) end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1303).
-spec reduce(iterator(EFF), fun((EFF, EFF) -> EFF)) -> {ok, EFF} | {error, nil}.
reduce(Iterator, F) ->
case (erlang:element(2, Iterator))() of
stop ->
{error, nil};
{continue, E, Next} ->
_pipe = fold_loop(Next, F, E),
{ok, _pipe}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1333).
-spec last(iterator(EFJ)) -> {ok, EFJ} | {error, nil}.
last(Iterator) ->
_pipe = Iterator,
reduce(_pipe, fun(_, Elem) -> Elem end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1347).
-spec empty() -> iterator(any()).
empty() ->
{iterator, fun stop/0}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1360).
-spec once(fun(() -> EFP)) -> iterator(EFP).
once(F) ->
_pipe = fun() -> {continue, F(), fun stop/0} end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 657).
-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.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1374).
-spec single(EFR) -> iterator(EFR).
single(Elem) ->
once(fun() -> Elem end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1405).
-spec interleave_loop(fun(() -> action(EFX)), fun(() -> action(EFX))) -> action(EFX).
interleave_loop(Current, Next) ->
case Current() of
stop ->
Next();
{continue, E, Next_other} ->
{continue, E, fun() -> interleave_loop(Next, Next_other) end}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1397).
-spec interleave(iterator(EFT), iterator(EFT)) -> iterator(EFT).
interleave(Left, Right) ->
_pipe = fun() ->
interleave_loop(erlang:element(2, Left), erlang:element(2, Right))
end,
{iterator, _pipe}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1449).
-spec fold_until_loop(
fun(() -> action(EGF)),
fun((EGH, EGF) -> gleam@list:continue_or_stop(EGH)),
EGH
) -> EGH.
fold_until_loop(Continuation, F, Accumulator) ->
case Continuation() of
stop ->
Accumulator;
{continue, Elem, Next} ->
case F(Accumulator, Elem) of
{continue, Accumulator@1} ->
fold_until_loop(Next, F, Accumulator@1);
{stop, Accumulator@2} ->
Accumulator@2
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1440).
-spec fold_until(
iterator(EGB),
EGD,
fun((EGD, EGB) -> gleam@list:continue_or_stop(EGD))
) -> EGD.
fold_until(Iterator, Initial, F) ->
_pipe = erlang:element(2, Iterator),
fold_until_loop(_pipe, F, Initial).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1492).
-spec try_fold_loop(
fun(() -> action(EGR)),
fun((EGT, EGR) -> {ok, EGT} | {error, EGU}),
EGT
) -> {ok, EGT} | {error, EGU}.
try_fold_loop(Continuation, F, Accumulator) ->
case Continuation() of
stop ->
{ok, Accumulator};
{continue, Elem, Next} ->
case F(Accumulator, Elem) of
{ok, Result} ->
try_fold_loop(Next, F, Result);
{error, _} = Error ->
Error
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1483).
-spec try_fold(iterator(EGJ), EGL, fun((EGL, EGJ) -> {ok, EGL} | {error, EGM})) -> {ok,
EGL} |
{error, EGM}.
try_fold(Iterator, Initial, F) ->
_pipe = erlang:element(2, Iterator),
try_fold_loop(_pipe, F, Initial).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1522).
-spec first(iterator(EGZ)) -> {ok, EGZ} | {error, nil}.
first(Iterator) ->
case (erlang:element(2, Iterator))() of
stop ->
{error, nil};
{continue, E, _} ->
{ok, E}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1552).
-spec at(iterator(EHD), integer()) -> {ok, EHD} | {error, nil}.
at(Iterator, Index) ->
_pipe = Iterator,
_pipe@1 = drop(_pipe, Index),
first(_pipe@1).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1580).
-spec length_loop(fun(() -> action(any())), integer()) -> integer().
length_loop(Continuation, Length) ->
case Continuation() of
stop ->
Length;
{continue, _, Next} ->
length_loop(Next, Length + 1)
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1575).
-spec length(iterator(any())) -> integer().
length(Iterator) ->
_pipe = erlang:element(2, Iterator),
length_loop(_pipe, 0).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1604).
-spec each(iterator(EHL), fun((EHL) -> any())) -> nil.
each(Iterator, F) ->
_pipe = Iterator,
_pipe@1 = map(_pipe, F),
run(_pipe@1).
-file("/Users/louis/src/gleam/stdlib/src/gleam/iterator.gleam", 1629).
-spec yield(EHO, fun(() -> iterator(EHO))) -> iterator(EHO).
yield(Element, Next) ->
{iterator,
fun() ->
{continue, Element, fun() -> (erlang:element(2, Next()))() end}
end}.