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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]).



-spec element_at(list(IOE), integer(), integer()) -> {ok, IOE} | {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.