Article: D Exceptions and C Callbacks

[Mike Parker]

On Friday, 9 August 2013 at 14:08:48 UTC, Rene Zwanenburg wrote:

>
> - In your second code sample, the D translation of the C code, 
> the line
>     glfwSetWindowCloseCallback( &onWindowClose );
>   should read either
>     glfwSetWindowCloseCallback( win, &onWindowClose );
>   or
>     win.glfwSetWindowCloseCallback( &onWindowClose );

Thanks! That was an oversight. I've corrected it.

>
> - When explaining the difference between D Throwable, 
> Exception, and Error, you write:
>     The latter is analagous to Java's RuntimeException in that
>     it is not intended to be caught. It should be thrown to
>     indicate an unrecoverable error in the program.
>   Java uses Error for unrecoverable errors too. 
> RuntimeExceptions are recoverable and meant to be catched. It 
> would be more accurate to say D lacks Java's checked 
> exceptions, D exceptions are like Java's RuntimeExceptions, and 
> D Errors are like Java Errors.

I just removed the reference to Java entirely. Thanks for 
pointing that out. I've had it in my head for years that 
RuntimeException was for unrecoverable errors.