On Tuesday, 10 July 2018 at 22:53:25 UTC, kdevel wrote:
   extern (C) __gshared bool rt_trapExceptions;
   static this ()
   {
      rt_trapExceptions = false;
   }

This will catch exceptions raised in main and in static constructors that run after this one. However, if you put that code in the module that includes main(), it's probably going to be the last static constructor run. That means it doesn't impact other static constructors.

The only fix for that is putting this code in its own module that you add as the first import in every module. And if you depend on any library with a static constructor anywhere inside, you have to modify that library.

But exceptions can be thrown before any static constructor is run. The function that calls static constructors might detect a cycle straight off, for instance.

That's why the This Week In D post injected it into the C main function.

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