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%% This module echoes back the value the test is interested in.
-module(echo_h).
-export([init/2]).
init(Req, Opts) ->
echo(cowboy_req:binding(key, Req), Req, Opts).
echo(What, Req, Opts) ->
F = binary_to_atom(What, latin1),
Value = case cowboy_req:F(Req) of
V when is_integer(V) -> integer_to_binary(V);
V when is_atom(V) -> atom_to_binary(V, latin1);
V when is_list(V); is_tuple(V) -> io_lib:format("~p", [V]);
V -> V
end,
cowboy_req:reply(200, #{}, Value, Req),
{ok, Req, Opts}.
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