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// Copyright (C) 2020 T. Zachary Laine
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//[ semantic_action_example
#include <boost/parser/parser.hpp>
#include <iostream>
#include <string>
namespace bp = boost::parser;
int main()
{
std::cout << "Enter a list of doubles, separated by commas. ";
std::string input;
std::getline(std::cin, input);
std::vector<double> result;
//[ semantic_action_example_lambda
auto const action = [&result](auto & ctx) {
std::cout << "Got one!\n";
result.push_back(_attr(ctx));
};
//]
auto const action_parser = bp::double_[action];
auto const success = bp::parse(input, action_parser % ',', bp::ws);
if (success) {
std::cout << "You entered:\n";
for (double x : result) {
std::cout << x << "\n";
}
} else {
std::cout << "Parse failure.\n";
}
}
//]
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