Sha256: e0574fac63a5638be489c5749eba739daf3fcdbbaaf25c3664ad904c947f7efc

Contents?: true

Size: 896 Bytes

Versions: 16

Compression:

Stored size: 896 Bytes

Contents

#include <asio/ts/executor.hpp>
#include <asio/thread_pool.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

Version Path
couchbase-3.0.0.alpha.4-x86_64-linux ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.4-x86_64-darwin-19 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.4-universal-darwin-19 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.4 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.3-x86_64-linux ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.3-x86_64-darwin-19 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.3-universal-darwin-19 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.3 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.2-x86_64-linux ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.2-x86_64-darwin-19 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.2-universal-darwin-19 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.2 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.1-x86_64-linux ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.1-x86_64-darwin-19 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.1-universal-darwin-19 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp
couchbase-3.0.0.alpha.1 ext/third_party/asio/asio/src/examples/cpp14/executors/bank_account_2.cpp