Hi, there.

I commited this proposal by accident to Trunk when merging the size-check
changes by JH.

I will implement your suggestions. And add some tests. :-)

Best,
Marcel


Eliot Miranda-2 wrote
> On Tue, Dec 18, 2018 at 1:20 PM Chris Muller <

> asqueaker@

> > wrote:
> 
>> Hi Marcel,
>>
>> I've needed something like this before too, but since I also wanted to
>> work more with the Error's, I simply provided an additional Block for
>> the inner-layer which took each Error as the argument.  Then my
>> calling could log to Transcript or add to a separate Collection (since
>> I prefer to view "object messages" in an Explorer instead of only text
>> in the Transcript), and nicely avoids the unpleasant dependency on
>> Transcript.
>>
>> I also think it could just trap Error (or MessageNotUnderstood) since
>> that is the stated intended usage.  I think if one needed to specify a
>> custom exceptionOrExceptionSet, then it seems like they'd probably
>> just write normal error-handling code.
>>
> 
> +1.  I was going to suggest the same thing.  It's much more flexible to
> factor the inner two methods as:
> 
>  try: aBlock ignore: exceptionOrExceptionSet
>        "Evaluate aBlock with each of the receiver's elements as the
> argument. On error, skip that element and continue."
> 
>       ^self try: aBlock ignore: exceptionOrExceptionSet ifException: nil!
> 
> try: aBlock ignore: exceptionOrExceptionSet ifException: unaryBlockOrNil
>       "Evaluate aBlock with each of the receiver's elements as the
> argument. On error, skip that element and continue."
> 
>       ^ self do: [:ea |
>               [aBlock value: ea]
>                       on: exceptionOrExceptionSet
>                       do: [:err | unaryBlockOrNil ifNotNil:
> [unaryBlockOrNil
> value: err]]]!
> 
> then
> 
> try: aBlock ignore: exceptionOrExceptionSet logged: aBoolean
>     ^self try: aBlock ignore: exceptionOrExceptionSet ifException:
> (aBoolean
> ifTrue: [[:err| Transcript showln: err messageText]])
> 
> _,,,^..^,,,_
> best, Eliot





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