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Go Has Few Features

But it has comparatively few features and is unlikely to add more. For instance, it has

• no implicit numeric conversions,
• no constructors or destructors,
• no operator overloading,
• no default parameter values,
• no inheritance,
• no generics,
• no exceptions,
• no macros,
• no function annotations, and
• no thread-local storage.

The language is mature and stable, and guarantees backwards compatibility: older Go programs can be compiled and run with newer versions of compilers and standard libraries.