namespace po = boost::program_options; 快速入门 第一个例子尽可能简单:仅仅包含两个参数项。代码如下(完整代码见“example/first.cpp”): // Declare the supported options. po::options_description desc("Allowed options"); desc.add_options() ("help", "produce help message") ("compression", po:...
namespace po = boost::program_options; 1. 快速入门 第一个例子尽可能简单:仅仅包含两个参数项。代码如下(完整代码见“example/first.cpp”): // Declare the supported options. po::options_description desc("Allowed options"); desc.add_options() ("help", "produce help message") ("compression", ...
boost里有一个Program_options,在Introduction里写的是The program_options library allows program developers to obtain program options, that is (name, value) pairs from the user, via conventional methods such as command line and config file. 感觉应该能用,花了几个小时读了一下。 结果出乎我的意料,这...
namespace po = boost::program_options; 快速入门 第一个例子尽可能简单:仅仅包含两个参数项。代码如下(完整代码见“example/first.cpp”): // Declare the supported options. po::options_description desc("Allowed options"); desc.add_options() ("help", "produce help message") ("compression", po:...
Example 63.1. Basic approach with Boost.ProgramOptions #include <boost/program_options.hpp> #include <iostream> using namespace boost::program_options; void on_age(int age) { std::cout << "On age: " << age << '\n'; } int main(int argc, const char *argv[]) { try { options_...
namespace po = boost::program_options; 快速入门 第一个例子尽可能简单:仅仅包含两个参数项。代码如下(完整代码见“example/first.cpp”): // Declare the supported options. po::options_description desc("Allowed options"); desc.add_options() ...
namespace po = boost::program_options;第一个例子尽可能简单:仅仅包含两个参数项。代码如下(完整代码见“example/first.cpp”): // Declare the supported options. po::options_description desc("Allowed options"); desc.add_options() ("help", "produce help message") ("compression", po::value(),...
Example code for positional options To specify these with boost program options add a po::positional_options_description 1. object and specify the names of the options that you want to parse as positional. Add the following code block directly below the last option in the ...
Import revision 295 of the program_options library. May 14, 2004 .travis.yml Disable usbsan. Jun 14, 2018 CMakeLists.txt Regenerate CMakeLists.txt Oct 21, 2023 Jamfile add ci bits and readme Mar 12, 2018 README.md Fix mention of date_time in the readme ...
namespace po = boost::program_options; 快速入门 第一个例子尽可能简单:仅仅包含两个参数项。代码如下(完整代码见“example/first.cpp”): // Declare the supported options. po::options_description desc('Allowed options'); desc.add_options() ...