How do I break from loop when using parallel()?

[Russel Winder]

On Mon, 2018-05-28 at 21:04 +0000, Dr.No via Digitalmars-d-learn wrote:
> 		import std.parallelism : parallel;
> 		foreach(t; parallel(arr))
> 		{
> 			if(!doSomething(t)) {
> 				return false;
> 			}
> 		}
> 
> It reuturns the run time error:
> 
> > std.parallelism.ParallelForeachError@(0): Cannot break from a 
> > parallel foreach loop using break, return, labeled 
> > break/continue or goto statements.
> 
> What's the proper way to break from loop?

It isn't a loop, it is a task scatter/gather, with each task running to
completion independent of all other tasks. Thus the concept of
break/return doesn't exist.

It could be argued that this is a bad use of foreach, but it is what it
is.

-- 
Russel.
===========================================
Dr Russel Winder      t: +44 20 7585 2200
41 Buckmaster Road    m: +44 7770 465 077
London SW11 1EN, UK   w: www.russel.org.uk
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