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Re: index-of and empty stuff

Subject: Re: index-of and empty stuff
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxx>
Date: Sat, 21 Dec 2013 16:04:42 -0500
Re:  index-of and empty stuff
Ihe,

Let $s := '' (the empty string)

index-of(('a','b','c'),$s) -> 0
index-of(('a','b','c',''),$s) -> 4

Personally I am happy not to get 0, in either case, when $s is (). :-)

Cheers, Wendell

Wendell Piez | http://www.wendellpiez.com
XML | XSLT | electronic publishing
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On Fri, Dec 20, 2013 at 12:50 PM, Ihe Onwuka <ihe.onwuka@xxxxxxxxx> wrote:
> if I am searching a sequence of strings with index-of having the empty
> string as the second argument will give me 0.
>
> Why throw  an error if the 2nd argument is empty sequence,
> irrespective of the type of the first argument.
>
> Isn't 0 the obvious answer here.

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