Files
nearby/cpp/platform_v2/base/callable.h
T
Alexey Polyudov ae1c427b99 nearby: snapshot of cl/313536507
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I8936b527079074d5c3af5531b9245063767cc4a7
2020-05-28 00:03:22 -07:00

24 lines
658 B
C++

#ifndef PLATFORM_V2_BASE_CALLABLE_H_
#define PLATFORM_V2_BASE_CALLABLE_H_
#include <functional>
#include "platform_v2/base/exception.h"
namespace location {
namespace nearby {
// The Callable is and object intended to be executed by a thread, that is able
// to return a value of specified type T.
// It must be invokable without arguments. It must return a value implicitly
// convertible to ExceptionOr<T>.
//
// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Callable.html
template <typename T>
using Callable = std::function<ExceptionOr<T>()>;
} // namespace nearby
} // namespace location
#endif // PLATFORM_V2_BASE_CALLABLE_H_