Brilliant exception handling I found in an app i had to work on
this post was submitted on 17 Jun 2023
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Throwing exceptions are very costly due to the stack trace, so building the stack trace twice will cause a big performance hit
Correct me if I'm wrong, but this will actually cut the stack trace and then start another one from your try-catch block, which is an evil thing to do towards those who will actually read your stack traces. To preserve the stack trace you do
throw;, notthrow ex;, and I'm assuming IDE is underlining that statement exactly for this reason.