Do it at scope exit!

If you were dealing with languages, such as Java, C#, or Delphi, you obviously were using the try {} finally{} construction. Let me briefly describe to you what do these language constructions do.

When a program leaves the current scope via return or exception, code in the finally block is executed. This mechanism is used as a replacement for the RAII pattern:

// Some pseudo code (suspiciously similar to Java code) 
try { 
    FileWriter f = new FileWriter("example_file.txt"); 
    // Some code that may throw or return 
    // ... 
} finally { 
    // Whatever happened in scope, this code will be executed 
    // and file will be correctly closed 
    if (f != null) { 
        f.close() 
    } 
}

Is there a way to do such a thing in C++?

Getting ready

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