* Syntactical Array constructor evaluating elements from right to left - Why?
@ 2007-09-19 17:32 Jakob Lichtenberg
2007-09-19 18:16 ` [Caml-list] " Jon Harrop
0 siblings, 1 reply; 2+ messages in thread
From: Jakob Lichtenberg @ 2007-09-19 17:32 UTC (permalink / raw)
To: caml-list
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Why is the syntactical array constructor [| ... |] evaluating elements
from right to left:
# let f i = (Printf.printf "%d\n" i; i);;
val f : int -> int = <fun>
# Array.init 3 f;;
0
1
2
- : int array = [|0; 1; 2|]
# [| f 0 ; f 1; f 2|];;
2
1
0
- : int array = [|0; 1; 2|]
Thanks,
- Jakob
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* Re: [Caml-list] Syntactical Array constructor evaluating elements from right to left - Why?
2007-09-19 17:32 Syntactical Array constructor evaluating elements from right to left - Why? Jakob Lichtenberg
@ 2007-09-19 18:16 ` Jon Harrop
0 siblings, 0 replies; 2+ messages in thread
From: Jon Harrop @ 2007-09-19 18:16 UTC (permalink / raw)
To: caml-list
On Wednesday 19 September 2007 18:32:18 Jakob Lichtenberg wrote:
> Why is the syntactical array constructor [| ... |] evaluating elements
> from right to left:
Evaluation order is undefined in OCaml.
--
Dr Jon D Harrop, Flying Frog Consultancy Ltd.
OCaml for Scientists
http://www.ffconsultancy.com/products/ocaml_for_scientists/?e
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