Richard, I was going to comment the #when:do:[when:do:] approach of VAST [1].
Why do you say it won't be fast? Because of the multiple exception handlers in the call stack? I think that some construct might be used to obtain the same as the #when:do:when:do: but using a chained approach instead. Regards, [1] AFAIR when I used VAST (+a decade ago) it didn't have "ANSI" exceptions. Esteban A. Maringolo El lun., 8 abr. 2019 a las 0:49, Richard O'Keefe (<rao...@gmail.com>) escribió: > > VisualAge Smalltalk has, in addition to the standard #on:do:, > #when:do:, ..., #when:do:#when:do:#when:do:#when:do:#when:do:, > with the last four mapping to #whenOneOf:doMatching:, taking > two arrays. > > It's easy enough to add your own methods like > on: exn1 do: act1 on: exn2 do: act2 > "An imperfect emulation of VAST's #when:do:when:do:" > ^[self on: exn1 do: act1] on: exn2 do: act2 > > on: exn1 do: act1 on: exn2 do: act2 on: exn3 do: act3 > "An imperfect emulation of VAST's #when:do:when:do:when:do:" > ^[[self on: exn1 do: act1] on: exn2 do: act2] on: exn3 do: act3 > to BlockClosure. It won't be fast, but your code might be > clearer. > > > On Mon, 8 Apr 2019 at 10:21, Tim Mackinnon <tim@testit.works> wrote: >> >> >> Thanks, I guess that makes sense, although it somehow looks a bit ugly with >> the nested brackets.. but nothing else springs to mind so maybe I’ll get >> used to it (and In my case I think it’s likely 2 or 3 different exceptions) >> >> Tim >> >> Sent from my iPhone >> >> > On 7 Apr 2019, at 20:43, Richard Sargent >> > <richard.sarg...@gemtalksystems.com> wrote: >> > >> > >> > This last one. >> > >> > [[self run] >> > on: TestFailure >> > do: [:testEx | ...]] >> > on: Error >> > do: [:error | ...] >> >>
