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Can an ellipsis try-catch be used to catch all the errors that can lead to a crash? Are there are any anomalies?
try
{
//some operation
}
catch(...)
{
}
No, it’ll only catch C++ exceptions, not things like a segfault, SIGINT etc.
You need to read up about and understand the difference between C++ exceptions and for want of a better word, “C-style” signals (such as SIGINT).