<div dir="ltr"><div>Thank you, that's exactly what I was looking for!<br></div>I didn't spot "elem" so far... that's why I was looking into "and" which was too complex for this case.<br><br>
Thanks again!<br><br>emmanuel<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, May 29, 2013 at 9:44 PM, Felipe Almeida Lessa <span dir="ltr"><<a href="mailto:felipe.lessa@gmail.com" target="_blank">felipe.lessa@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Well, you could use:<br>
<br>
null . dropWhile (`elem` "./")<br>
<br>
=)<br>
<div><div class="h5"><br>
On Wed, May 29, 2013 at 4:38 PM, Emmanuel Touzery <<a href="mailto:etouzery@gmail.com">etouzery@gmail.com</a>> wrote:<br>
> hi,<br>
><br>
> i want to know if a string contains only "." and "/" characters.<br>
><br>
> i do something like that:<br>
><br>
> null . dropWhile (\c -> c == '.' || c == '/')<br>
><br>
> now it's a shame, because if I wanted only to check for "." then I would<br>
> have:<br>
><br>
> null . dropWhile (=='.')<br>
><br>
> afaik in scala you can say:<br>
><br>
> null . dropWhile (_ == '.' || _ == '/')<br>
><br>
> which is a bit more compact than the haskell...<br>
><br>
> I was thinking to use "and" but I'm not sure it would end up being<br>
> readable...<br>
><br>
> Any idea? Or I am trying too hard to make it compact?<br>
><br>
> Emmanuel<br>
><br>
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<span class="HOEnZb"><font color="#888888"><br>
<br>
<br>
--<br>
Felipe.<br>
<br>
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