Throwable, Exception, and Error

Steve Teale steve.teale at britseyeview.com
Sun May 3 04:36:35 PDT 2009


Christopher Wright Wrote:

> Frank Benoit wrote:
> > Walter Bright schrieb:
> >> Steve Teale wrote:
> >>> If I want a catch-all catch, which should I be using.
> >>>
> >>> Out of habit I use Exception, but if I do that then I will miss some
> >>> things thrown from Phobos.
> >>>
> >>> Is it the intention that Throwable be used for this purpose?
> >>>
> >> Yes.
> > 
> > Why is it possible to throw an Object?
> > I think "throw" and "catch" should be restricted to Throwable and
> > derived types.
> 
> Because Phobos did not contain Throwable until the advent of druntime. 
> This was sufficiently recent that Walter has not yet modified the 
> compiler accordingly, or, most likely, noticed or decided to do so.

When that is done, and the object being thrown has been checked out, would it be a good idea for the compiler to automatically populate the file and line members of the Throwable?




More information about the Digitalmars-d mailing list