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tonyo . 04:38
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disbot <simon_sibl> I am a bit confused: termbin.com/w0ea 07:38
<simon_sibl> since I added a second whenever in the react block, it prints all at once, it doesnt seem to do little by little (with the sleep it should show some food receive, the bad message etc. but here it does nothing for few seconds, then print all at once 07:39
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disbot <simon_sibl> I thought it could have multiple whenever at the same time: docs.perl6.org/type/Proc::Async 07:53
<simon_sibl> and I thought it would switch between them to get the one "ready" 07:57
<simon_sibl> this example should be simpler: termbin.com/n18h 08:02
<simon_sibl> if its async, it should switch between the two tap each time no ? 08:07
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disbot <simon_sibl> ok I think I get it, it needs a whenever in the supply block which behave like an await giving time to other Supply to run 08:42
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Voldenet supply itself isn't introducing any sort of async, sleep just sleeps and blocks whole thread 09:28
it just executes the code and the result isn't wrong either, just a bit delayed :> 09:30
disbot <simon_sibl> yeah I think I understand now, played a bit with supply/channels/whenever/react start creates "lightweight" thread right ? 09:43
Voldenet sort of 09:48
when working with supplies, you have two good options 09:50
Supply.interval(1) will emit the value every second, Promise.in(1) will end after a second
m: my $food-supplier = supply { my @f = <tomato potato apple fries>; whenever Supply.interval(1) { emit @f[(state $s)++]; if $s >= @f { done; }}}; react { for ^2 { whenever $food-supplier { .say } }} 09:53
camelia tomato
tomato
potato
potato
apple
apple
fries
fries
Voldenet usually if your source is well-behaved, it's very easy to add react/supply block on top of it without problems 10:02
however if your source has blocking code (e.g. if you do "prompt/sleep/read"), you're going to see it 10:05
`start` is an escape hatch that in such case, may and in a lot of cases will use os-level thread, it might get heavy if you use it for networking 10:07
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disbot8 <simon_sibl> I am a bit confused here with the for loop, why it does each element twice instead of the list twice ? 11:43
<simon_sibl> oh I thought start was better than Thread.new 11:44
lizmat The Thread class is considered plumbing... you should have a real good reason for using that 11:46
Voldenet start is a bit smarter because it can reuse workers if they're free 11:54
but it's not magic that will make your programs parallel
if you use a lot of os level non-async primitives 11:55
simon_sibl: because I did `for ^2 { whenever $food-supplier { .say }` which attaches "whatever" to the react block twice
you could do ^10 for more dramatic effect and also to see how beautifully parallel it is 11:56
disbot8 <simon_sibl> ooooh okok I see, it does the loop which "attach" the whenever twice, so they both run concurrently, is that right ? 12:01
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Voldenet yes, they run concurrently, but only one element is processed at the time 13:50
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[Coke] please enjoy my new dog: imgur.com/gallery/new-adoptee-quix-9OReK1h 16:55
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melezhik . 20:56
[Coke]: ..
)) 20:57
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