std library hooks

[Bernard Helyer]

On Saturday, 14 April 2012 at 02:46:03 UTC, Walter Bright wrote:
> On 4/13/2012 5:14 PM, Francois Chabot wrote:
>> On Friday, 13 April 2012 at 21:29:37 UTC, Walter Bright wrote:
>>> On 4/13/2012 4:07 AM, Timon Gehr wrote:
>>>> http://dlang.org/phobos/core_exception.html
>>>> deprecated void setAssertHandler(errorHandlerType h);
>>>>
>>>> Why is it deprecated?
>>>
>>> Never found a use for it.
>>
>> All I want, and I can guarantee that this is what Manu wants 
>> as well, is the
>> ability to squeeze an asm { int 3; } or equivalent so that I 
>> can drop into my
>> debugger at the point of assertion failure before the stack 
>> unwinds.
>
> all assert(exp) does when it trips is call a function in the 
> library. If you provide your own version of that function, the 
> one in the library won't be linked in.

Unless exp is an object instance. Then it contacts Satan first 
before calling the function. :P