backwater

%% Copyright (c) 2017-2018 Guilherme Andrade <backwater@gandrade.net>
%%
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%% Software is furnished to do so, subject to the following conditions:
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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-type nonempty_binary() :: <<_:8,_:_*8>>.
-export_type([nonempty_binary/0]).

-define(OPAQUE_BINARY(B), <<(B)/binary>>). % don't let Dialyzer be too smart

-define(is_non_neg_integer(V), (is_integer((V)) andalso (V) >= 0)).
-define(is_timeout(V), (?is_non_neg_integer((V)) orelse (V) =:= infinity)).