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 provides documentation for common components shared across Google Cloud C++ Client Libraries, including versions ranging from 2.10.1 up to the latest release candidate 2.37.0-rc."],["The library encompasses essential elements like Credentials for authentication, Options for default configurations, and Status/StatusOr for managing errors and results."],["It features support for asynchronous programming through `future` and `promise` objects, enabling callbacks and cancellation, and mirroring the API for `std::future` and `std::promise`."],["Users are advised against using symbols within namespaces such as `internal` and `testing` as they are reserved for internal implementation details and are subject to change without notice, which can cause applications to break."],["Further details regarding error handling, library configuration, logging components, and authentication components are available through the links within the document."]]],[]]