StatusOr returns a value on success and a Status on error.
future and promise futures (a holder that will receive a value asynchronously) and promises (the counterpart of a future, where values are stored asynchronously). They satisfy the API for std::future and std::promise, and add support for callbacks and cancellation.
More information
Error Handling for more details about how the libraries report run-time errors and how you can handle them.
[[["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 2025-03-05 UTC."],[[["This page details common components shared across Google Cloud C++ Client Libraries, including credentials, options, status, futures, and promises."],["The latest version available is 2.37.0-rc, with multiple previous versions also documented, ranging down to version 2.10.1."],["Users can configure authentication and customize client library settings using components found in this documentation, which are linked at the bottom of the document."],["The document provides information on error handling and logging components, as well as warnings against using implementation details and namespaces in the code that are subject to change."]]],[]]