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 documents the common components of the Google Cloud C++ Client Libraries, including the latest release candidate (2.37.0-rc) and previous versions down to 2.10.1."],["The library contains components like Credentials for authentication, Options for client configuration, and Status/StatusOr for managing errors and results."],["It also features futures and promises, which offer asynchronous value handling with support for callbacks and cancellation, extending the capabilities of `std::future` and `std::promise`."],["Certain namespaces, particularly those containing \"internal\" or \"testing,\" are reserved for internal implementation and are subject to change without notice, advising against their use in external applications."],["The page links to detailed guides on error handling, client configuration, authentication components, and logging components for more in-depth information."]]],[]]