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 webpage documents common components shared across Google Cloud C++ Client Libraries, including credentials, options, status, futures, and promises."],["The latest release candidate version documented is 2.37.0-rc, with a history of versions available from 2.36.0 down to 2.10.1."],["The library provides essential elements like `Credentials` for authentication, `Options` for client configuration, and `Status`/`StatusOr` for error handling."],["There are specific namespaces, including those with \"internal\" or \"testing\" in their name, that are reserved for internal implementation and should not be used in applications to avoid compatibility issues."],["Additional documentation is available on the topics of error handling, client configuration, authentication and logging components."]]],[]]