Problems with C++ exceptions

Re:Problems with C++ exceptions by lealanko on Wednesday November 12, 2025 @01:32AM (#45896987)

This is a common problem with try-catch syntax. An alternative, and arguably more useful syntax would be

  try (File_handle fh {s, "r"}) {
    // use fh
  } unless (const File_error& e) {
    // handle error
  }

Where the "use fh" part is not covered by the exception handler. This is covered (in ML context) in https://www.microsoft.com/en-us/research/publication/excepti...

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Re:Problems with C++ exceptions by mgaunard on Wednesday November 12, 2025 @01:36AM (#45897012)

Don't use try/catch in the first place; that's where his error lies.

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Re:Problems with C++ exceptions by 1718627440 on Wednesday November 12, 2025 @06:57AM (#45899082)

That's not his own invention, but an idea introduced by the language founder to sell the idea of RAII and exceptions. He did say, that he would prefer the C version, but then why use C++ in the first place.

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