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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThis library provides common components for Google Cloud C++ Client Libraries, including credentials, options, status, StatusOr, future, and promise.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version is 2.37.0-rc, while the current page's documentation is for version 2.11.0, and it contains documentation links to past versions, ranging from 2.10.1 up to 2.36.0.\u003c/p\u003e\n"],["\u003cp\u003eIt includes information on error handling, client library configuration, authentication, and logging.\u003c/p\u003e\n"],["\u003cp\u003eCertain namespaces containing "internal" or "testing" are reserved for implementation details and are subject to change without notice.\u003c/p\u003e\n"]]],[],null,[]]
