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erlwater

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Geneal utilities for Erlang/Elixir

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erlwater src ew_time.erl
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src/ew_time.erl 

%%%-------------------------------------------------------------------

%%% @author Alpha Umaru Shaw <shawalpha5@gmail.com>

%%% @doc

%%%

%%% @end

%%% Company: Skulup Ltd

%%% Copyright: (C) 2019

%%%-------------------------------------------------------------------

-module(ew_time).

-author("Alpha Umaru Shaw").



%% API

-export([millis/0, micros/0, nanos/0]).

-export([local_iso8601/0, universal_iso8601/0, iso8601/1]).



millis() -> os:system_time(milli_seconds).



micros() -> os:system_time(micro_seconds).



nanos() -> os:system_time(nano_seconds).



local_iso8601() ->

  ?MODULE:iso8601(calendar:local_time()).



universal_iso8601() ->

  ?MODULE:iso8601(calendar:universal_time()).



iso8601(DateTime) ->

  {{Year, Month, Day}, {Hour, Min, Sec}} = DateTime,

  L = io_lib:format("~4.10.0B-~2.10.0B-~2.10.0BT~2.10.0B:~2.10.0B:~2.10.0BZ",

                    [Year, Month, Day, Hour, Min, Sec]),

  unicode:characters_to_binary(L).