Sha256: 0b3fdd3cacf5ab7f4cc5055420543626496d91bfb7f10bb53b0e5f6d6b0dcb2a
Contents?: true
Size: 1.14 KB
Versions: 16
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Stored size: 1.14 KB
Contents
#include <asio/ts/executor.hpp>
#include <asio/thread_pool.hpp>
#include <iostream>
#include <string>
using asio::bind_executor;
using asio::dispatch;
using asio::make_work_guard;
using asio::post;
using asio::thread_pool;
// A function to asynchronously read a single line from an input stream.
template <class Handler>
void async_getline(std::istream& is, Handler handler)
{
// Create executor_work for the handler's associated executor.
auto work = make_work_guard(handler);
// Post a function object to do the work asynchronously.
post([&is, work, handler=std::move(handler)]() mutable
{
std::string line;
std::getline(is, line);
// Pass the result to the handler, via the associated executor.
dispatch(work.get_executor(),
[line=std::move(line), handler=std::move(handler)]() mutable
{
handler(std::move(line));
});
});
}
int main()
{
thread_pool pool;
std::cout << "Enter a line: ";
async_getline(std::cin,
bind_executor(pool, [](std::string line)
{
std::cout << "Line: " << line << "\n";
}));
pool.join();
}
Version data entries
16 entries across 16 versions & 1 rubygems