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Re: Wish for option iterators #3779

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vicuna opened this issue Sep 21, 2002 · 1 comment
Closed

Re: Wish for option iterators #3779

vicuna opened this issue Sep 21, 2002 · 1 comment
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feature-wish wontfix

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@vicuna
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vicuna commented Sep 21, 2002

Original bug ID: 1402
Reporter: administrator
Status: closed
Resolution: won't fix
Priority: normal
Severity: feature
Category: ~DO NOT USE (was: OCaml general)

Bug description

Alessandro Baretta wrote:

Hello!

Ooops! Mistake...

Here's the correct code.

let rec iter2opt (f:'a option -> 'b option -> unit) l1 l2 =
match l1, l2 with
| [], [] -> ()
| h1 :: t1, [] -> f (Some h1) None; iter2opt f t1 []
| [], h2 :: t2 -> f None (Some h2); iter2opt f [] t2
| h1 :: t1, h2 :: t2 -> f (Some h1) (Some h2); iter2opt f t1 t2

Alex
@vicuna
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vicuna commented Apr 18, 2004

Comment author: administrator

See #3762

@vicuna vicuna closed this as completed Apr 18, 2004
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@vicuna