Most languages have some variant of this where close is equal to variable going unaccessible. C# IDisposable, Python with-statement, Java try/resources, C++ RAI

Most languages have some variant of this where close is equal to variable going unaccessible. C# IDisposable, Python with-statement, Java try/resources, C++ RAII destructors, etc. None are really as powerful but they come close and cover many use cases.