On 06/24/2013 11:24 AM, Steve Wampler wrote:
>
> I've got the following simple program to solve a RosettaCode task
> [Floyd's Triangle]:
>
> ---------------------------------
> procedure main(a)
> n := integer(a[1]) | 5
> w := *string((n*(n+1))/2)+1
> c := create seq()
> every i := 1 to n do {
> every writes(right(|@c\i,w))
> write()
> }
> end
> ---------------------------------
> When compiled with SVN head, the program runs and produces the correct
> output, right up to the end of the execution of main():
Interestingly enough, things work great (under the same conditions where
the above fails) if I use a thread instead of a co-expression:
-----------------------------------
procedure main(a)
n := integer(a[1]) | 5
w := *((n*(n+1))/2)+1
c := thread every seq()@>>
every i := 1 to n do {
every writes(right((|<<@c)\i,w))
write()
}
end
----------------------------------
->ft2 14
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44 45
46 47 48 49 50 51 52 53 54 55
56 57 58 59 60 61 62 63 64 65 66
67 68 69 70 71 72 73 74 75 76 77 78
79 80 81 82 83 84 85 86 87 88 89 90 91
92 93 94 95 96 97 98 99 100 101 102 103 104 105
->
-----------------------------------
--
Steve Wampler -- swamp...@noao.edu
The gods that smiled on your birth are now laughing out loud.
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