%% Feel free to use, reuse and abuse the code in this file.%% @doc Hello world handler.-module(toppage_handler).-export([init/3]).-export([handle/2]).-export([terminate/2]).init(_Transport,Req,[])->{ok,Req,undefined}.handle(Req,State)->{ok,Req2}=cowboy_req:reply(200,[],<<"Hello world!">>,Req),{ok,Req2,State}.terminate(_Req,_State)->ok.