Try/Catch with version condition

[Bastiaan Veelo]

On Tuesday, 9 April 2019 at 14:56:03 UTC, Julian wrote:
> Something like this maybe?
>
>   import std.stdio;
>
>   void main() {
>       try {
>           throw new Exception("fatal for non-foo versions");
>       } catch (Exception e) {
>           version(foo) {
>               writeln(e);
>           } else {
>               throw(e);
>           }
>       }
>       writeln("continuing, probably in version foo");
>   }

Beware though that exception handling is not typically 
performant. From the spec[1]:

> - Errors are not part of the normal flow of a program. Errors 
> are exceptional, unusual, and unexpected.
> - Because errors are unusual, execution of error handling code 
> is not performance critical.

[1] 
https://dlang.org/spec/errors.html#the_d_error_handling_solution