Sha256: 0a666f93f092ffd19e5ee47f4101c6769c16b84465fefe4633beef14559fd094
Contents?: true
Size: 920 Bytes
Versions: 16
Compression:
Stored size: 920 Bytes
Contents
#include <asio/post.hpp>
#include <asio/thread_pool.hpp>
#include <asio/use_future.hpp>
#include <iostream>
using asio::post;
using asio::thread_pool;
using asio::use_future;
// Traditional active object pattern.
// Member functions block until operation is finished.
class bank_account
{
int balance_ = 0;
mutable thread_pool pool_{1};
public:
void deposit(int amount)
{
post(pool_,
use_future([=]
{
balance_ += amount;
})).get();
}
void withdraw(int amount)
{
post(pool_,
use_future([=]
{
if (balance_ >= amount)
balance_ -= amount;
})).get();
}
int balance() const
{
return post(pool_,
use_future([=]
{
return balance_;
})).get();
}
};
int main()
{
bank_account acct;
acct.deposit(20);
acct.withdraw(10);
std::cout << "balance = " << acct.balance() << "\n";
}
Version data entries
16 entries across 16 versions & 1 rubygems