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Implements operator<< for all types, without any effect.
It is desirable to disable at compile-time tracing, debugging, and other low severity messages. The Google Cloud Platform C++ Libraries logging adaptors return an object of this class when the particular log-line is disabled at compile-time.
Operators operator<<(T)Generic do-nothing streaming operator.
Parameters Name Description
T
typename T
NullStream &
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-14 UTC.
[[["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 2025-08-14 UTC."],[[["This webpage lists different versions of the `google::cloud::NullStream` structure, ranging from version 2.10.1 up to the latest release candidate 2.37.0-rc."],["`NullStream` is used by the Google Cloud Platform C++ Libraries logging adaptors to return an object when logging is disabled at compile-time for specific log-lines, effectively silencing low-severity messages."],["The `NullStream` class implements a generic do-nothing streaming operator (`operator\u003c\u003c`) for all types, having no effect when called, meaning it does not stream or output any data."],["The webpage provides links to documentation for each version of the `NullStream` class, allowing developers to access the specific documentation for their chosen version."]]],[]]
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