`validate: { ... }`
Is that an ES7 feature? I don't recognize it from ES6, and can't seem to
find a relevant proposal with that syntax...
On Mon, Nov 17, 2014 at 11:51 AM, Andreas Rossberg <rossb...@google.com>
wrote:
> On 17 November 2014 17:29, Alex Kocharin <a...@kocharin.ru> wrote:
> > 17.11.2014, 03:07, “Biju” bijumaill...@gmail.com:
> >> I wish, I could write elegant two of the code pattern I use frequently.
> >> [...]
> >> Patten 2.
> >> I do like to code functions with early exit, like
> >>
> >> function someValidationProcess(){
> >>
> >> doStuff();
> >> if(condition_1()){
> >> doCleanUp_1();
> >> doCleanUp_2();
> >> }
> >>
> >> doAnotherStuff();
> >> if(condition_2()){
> >> doCleanUp_1();
> >> doCleanUp_2();
> >> }
> >>
> >> doYetAnotherStuff();
> >> if(condition_3()){
> >> doCleanUp_1();
> >> doCleanUp_2();
> >> }
> >>
> >> doMoreStuff();
> >> doCleanUp_1();
> >> doCleanUp_2();
> >> }
>
> Sounds like you would like to have monad comprehension syntax. :)
>
> > How about a loop?
> >
> > function someValidationProcess() {
> > do {
> > doStuff()
> > if (condition_1()) break
> >
> > doAnotherStuff()
> > if (condition_2()) break
> >
> > doYetAnotherStuff()
> > if (condition_3()) break
> >
> > doMoreStuff()
> > } while(0)
> >
> > doCleanUp_1()
> > doCleanUp_2()
> > }
>
> No need for a fake loop:
>
> function someValidationProcess() {
> validate: {
> doStuff()
> if (condition_1()) break validate
> doOtherStuff()
> if (condition_2()) break validate
> // etc.
> }
> doCleanUp_1()
> doCleanUp_2()
> }
>
> But I'd rather use a separate function for the clean-up.
>
> /Andreas
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>
--
Jeremy Martin
661.312.3853
http://devsmash.com
@jmar777
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