[Mono-dev] Faster

[Stifu]

Huh? I don't get it.
In the exception handling code, it checks if x is null, so it'd go to the
"throw;" part instead.
No reason it'd act as if x was null.


Steve Lessard wrote:
> 
> I think Sebastian already touched on this issue, but I wanted to shine a
> little more light on it.  If the Something class were defined as below and
> x was not null wouldn't the Foo method throw an exception incorrectly
> stating that x was null?
> 
> 
> class Something 
> {
>     public Something()
>     {
>     }
> 
>     public void DoSomething()
>     {
>         throw new NullReferenceException();
>     }
> }
> 
> void Foo (Something x) 
> { 
>     try { 
>         x.DoSomething (); 
>     } catch (NullReferenceException e){ 
>         if (x == null) 
>              throw new ArgumentNullException ("x"); 
>         else 
>               throw; 
>     } 
>     x.AndThenMore (); 
> }
> 


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