reference_guides/latest/iobserver_8hpp_source.html

#pragma once

#include "interface.hpp"

#include <exception>


namespace xtd {

  template<typename type_t>


  class iobserver interface_ {

  public:


    virtual auto on_completed() noexcept -> void = 0;


    virtual auto on_error(const std::exception& error) noexcept -> void = 0;


    virtual auto on_next(const type_t& value) noexcept -> void = 0;

  };


}

xtd::exception
Defines the base class for predefined exceptions in the xtd namespace.
Definition exception.hpp:29

xtd::iobserver
Provides a mechanism for receiving push-based notifications.
Definition iobserver.hpp:154

xtd::iobserver::on_error
virtual auto on_error(const std::exception &error) noexcept -> void=0
Notifies the observer that the provider has experienced an error condition.

xtd::iobserver::on_next
virtual auto on_next(const type_t &value) noexcept -> void=0
Provides the observer with new data.

xtd::iobserver::on_completed
virtual auto on_completed() noexcept -> void=0
Notifies the observer that the provider has finished sending push-based notifications.

interface_
#define interface_
This keyword is use to represent an interface.
Definition interface.hpp:58

interface.hpp
Contains xtd::interface interface.

xtd
The xtd namespace contains all fundamental classes to access Hardware, Os, System,...
Definition abstract_object.hpp:8