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sprocket

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A library for building live views and real-time server components in Gleam

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sprocket src sprocket@internal@utils@list.erl
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src/sprocket@internal@utils@list.erl 

-module(sprocket@internal@utils@list).

-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).



-export([element_at/3]).



-if(?OTP_RELEASE >= 27).

-define(MODULEDOC(Str), -moduledoc(Str)).

-define(DOC(Str), -doc(Str)).

-else.

-define(MODULEDOC(Str), -compile([])).

-define(DOC(Str), -compile([])).

-endif.



?MODULEDOC(false).



-file("src/sprocket/internal/utils/list.gleam", 1).

?DOC(false).

-spec element_at(list(MCL), integer(), integer()) -> {ok, MCL} | {error, nil}.

element_at(List, Index, Curr) ->

    case List of

        [] ->

            {error, nil};



        [El | Rest] ->

            case Curr =:= Index of

                true ->

                    {ok, El};



                false ->

                    element_at(Rest, Index, Curr + 1)

            end

    end.