3.11.0-rc 3.10.0 (latest) 3.9.0 3.8.0 3.7.0 3.6.0 3.5.0 3.4.0 3.3.0 3.2.0 2.48.0-rc 2.47.1 2.46.0 2.45.0 2.44.0 2.43.0 2.42.0 2.41.0 2.40.0 2.39.0 2.38.0 2.37.0 2.36.0 2.35.0 2.34.0 2.33.0 2.32.0 2.31.0 2.30.0 2.29.0 2.28.0 2.27.0 2.26.0 2.25.1 2.24.0 2.23.0 2.22.1 2.21.0 2.20.0 2.19.0 2.18.0 2.17.0 2.16.0 2.15.1 2.14.0 2.13.0 2.12.0 2.11.0 2.10.1 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` |   |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `NullStream &` |   |