# Extra Clang Tools 18.1.8 documentation

## clang-tidy - abseil-no-namespace

# abseil-no-namespace

Ensures code does not open `namespace absl` as that violates Abseil’s compatibility guidelines. Code should not open `namespace absl` as that conflicts with Abseil’s compatibility guidelines and may result in breakage.

Any code that uses:

    namespace absl {
     ...
    }

will be prompted with a warning.

See the full Abseil compatibility guidelines for more information.