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submitted 2 days ago by gandalf_der_13te@feddit.org to c/programmer_humor@programming.dev

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[-] savvywolf@pawb.social 57 points 2 days ago

You actually shouldn't do this!

This doesn't introduce a new scope, so accidentally using x outside of the case block is UB. Instead you should introduce a new scope like so:

switch (foo)  {
  case BAZ: {
    int x = ...;
    foobar(x);
  }
}

this post was submitted on 21 Sep 2026

139 points (99.3% liked)

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