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Change implicit_value to default_value

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Evgeniy
2016-10-15 20:48:59 +03:00
committed by Vinnie Falco
parent 8918b2aceb
commit 8a64367d98
2 changed files with 14 additions and 16 deletions
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6
CHANGELOG.md
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@@ -1,3 +1,9 @@
1.0.0-b17
* Change implicit to default value in example
--------------------------------------------------------------------------------
1.0.0-b16 1.0.0-b16
* Make value optional in param-list * Make value optional in param-list

24
examples/http_server.cpp
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@@ -20,34 +20,26 @@ int main(int ac, char const* av[])
po::options_description desc("Options"); po::options_description desc("Options");
desc.add_options() desc.add_options()
("root,r", po::value<std::string>()->implicit_value("."), ("root,r", po::value<std::string>()->default_value("."),
"Set the root directory for serving files") "Set the root directory for serving files")
("port,p", po::value<std::uint16_t>()->implicit_value(8080), ("port,p", po::value<std::uint16_t>()->default_value(8080),
"Set the port number for the server") "Set the port number for the server")
("ip", po::value<std::string>()->implicit_value("0.0.0.0"), ("ip", po::value<std::string>()->default_value("0.0.0.0"),
"Set the IP address to bind to, \"0.0.0.0\" for all") "Set the IP address to bind to, \"0.0.0.0\" for all")
("threads,n", po::value<std::size_t>()->implicit_value(4), ("threads,n", po::value<std::size_t>()->default_value(4),
"Set the number of threads to use") "Set the number of threads to use")
("sync,s", "Launch a synchronous server") ("sync,s", "Launch a synchronous server")
; ;
po::variables_map vm; po::variables_map vm;
po::store(po::parse_command_line(ac, av, desc), vm); po::store(po::parse_command_line(ac, av, desc), vm);
std::string root = "."; std::string root = vm["root"].as<std::string>();
if(vm.count("root"))
root = vm["root"].as<std::string>();
std::uint16_t port = 8080; std::uint16_t port = vm["port"].as<std::uint16_t>();
if(vm.count("port"))
port = vm["port"].as<std::uint16_t>();
std::string ip = "0.0.0.0"; std::string ip = vm["ip"].as<std::string>();
if(vm.count("ip"))
ip = vm["ip"].as<std::string>();
std::size_t threads = 4; std::size_t threads = vm["threads"].as<std::size_t>();
if(vm.count("threads"))
threads = vm["threads"].as<std::size_t>();
bool sync = vm.count("sync") > 0; bool sync = vm.count("sync") > 0;