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// Copyright (c) 2017-2021, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#include <CLI/CLI.hpp>
#include <iostream>
#include <string>
int main(int argc, char **argv) {
CLI::App app("callback_passthrough");
app.allow_extras();
std::string argName;
std::string val;
app.add_option("--argname", argName, "the name of the custom command line argument");
app.callback([&app, &val, &argName]() {
if(!argName.empty()) {
CLI::App subApp;
subApp.add_option("--" + argName, val, "custom argument option");
subApp.parse(app.remaining_for_passthrough());
}
});
CLI11_PARSE(app, argc, argv);
std::cout << "the value is now " << val << '\n';
}
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