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 lists the different versions of the common components for the Google Cloud C++ Client Libraries, ranging from the latest release candidate, 2.37.0-rc, down to version 2.10.1."],["The common components library includes `Credentials` for authentication, `Options` for configuration, and error handling classes like `Status` and `StatusOr`."],["Asynchronous operations are supported through `future` and `promise` components, which enhance `std::future` and `std::promise` with features like callbacks and cancellation."],["Certain namespaces, specifically those containing `internal` or `testing`, are reserved for implementation details and should not be used directly, as these may change in future versions."],["Additional information about error handling, library configuration, authentication, and logging can be found in the linked sections, providing in-depth guidance on these topics."]]],[]]