A RetroSearch Logo

Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Search Query:

Showing content from https://cloud.google.com/cpp/docs/reference/common/2.29.0/classgoogle_1_1cloud_1_1promise below:

Class promise<T> (2.29.0) | C++ Client Libraries

Class promise<T> (2.29.0)

Stay organized with collections Save and categorize content based on your preferences.

Implement ISO/IEC TS 19571:2016 promise<T>.

Constructors promise()

Creates a promise with an unsatisfied shared state.

promise(std::function< void()>)

Creates a promise with an unsatisfied shared state.

Parameter Name Description cancellation_callback std::function< void()>
promise(null_promise_t)

Creates a promise without a shared state.

Parameter Name Description x null_promise_t
promise(promise &&)

Constructs a new promise and transfer any shared state from rhs.

Parameter Name Description promise &&
promise(promise const &) Parameter Name Description promise const &
Operators operator=(promise &&)

Abandons the shared state in *this, if any, and transfers the shared state from rhs.

Parameter Name Description rhs promise &&
Returns Type Description promise & operator=(promise const &) Parameter Name Description promise const &
Returns Type Description promise & Functions swap(promise &)

Swaps the shared state in *this with rhs.

Parameter Name Description other promise &
Returns Type Description void get_future()

Creates the future<T> using the same shared state as *this.

Returns Type Description future< T > set_value(T)

Satisfies the shared state.

Parameter Name Description value T
Exceptions Type Description std::future_error with std::future_errc::promise_already_satisfied if the shared state is already satisfied. std::future_error with std::no_state if the promise does not have a shared state. Returns Type Description void

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-08-14 UTC.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["This document outlines the `promise\u003cT\u003e` class implementation, conforming to ISO/IEC TS 19571:2016."],["The latest version available is 2.37.0-rc, with a range of previous versions provided from 2.36.0 down to 2.10.1."],["`promise` objects can be created with or without a shared state, including with a cancellation callback or using `null_promise_t`."],["The `promise` class includes constructors for moving and copying shared states, as well as assignment operators for these operations."],["Key functions include `swap`, `get_future`, and `set_value`, with `set_value` potentially throwing `std::future_error` exceptions."]]],[]]

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4