A pre-condition: apply this operation only if the HTTP Entity Tag matches.
HTTP Entity Tags allow applications to conditionally execute a query only if the target resource matches the expected state. This can be useful, for example, to implement optimistic concurrency control in the application.
[[["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 2025-04-22 UTC."],[[["The webpage provides a comprehensive list of versions for `google::cloud::storage::IfMatchEtag`, starting from version 2.11.0 and going up to the latest release candidate, 2.37.0-rc."],["Each listed version links to the respective documentation for the `IfMatchEtag` struct within that specific release."],["`IfMatchEtag` is used to conditionally execute a query only if the HTTP Entity Tag of the target resource matches the expected state."],["The content details the utilization of HTTP Entity Tags, as explained in the associated link, for implementing features like optimistic concurrency control."],["A static `header_name()` function is provided within `IfMatchEtag`, although its description is empty."]]],[]]