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"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-02 UTC."],[[["This page details common components shared across Google Cloud C++ Client Libraries, including credentials for authentication, options for overriding default configurations, and status handling for operations."],["The latest release candidate version is 2.37.0-rc, and the page provides documentation links for various versions down to 2.10.1, each with specific documentation."],["Core functionalities like error reporting, client library configuration, authentication, and logging are explained, helping developers manage runtime issues and settings."],["The page warns against using namespaces containing \"internal\" or \"testing,\" as these are reserved for implementation details and are not guaranteed to be stable."]]],[]]