From: Peter Hickman <peterhickman386@...>
Date: 2012-12-28T03:56:20+09:00
Subject: Re: numeric?

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On 27 December 2012 18:50, Jonan Scheffler <jonanscheffler@gmail.com> wrote:

> You might be better off to ask yourself why you need the type checking
> anyway. If you have a method designed to handle an argument that might be a
> string or an integer you might be trying to do two different things.
>
> If you're sure you want the integer you could just to_i the input.
>
>
Problem all strings will convert to integers.

"fred".to_i => 0
"69skiddoo".to_i => 69
"".to_i => 0

I suspect that these would not be considered numbers.

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<div dir=3D"ltr">On 27 December 2012 18:50, Jonan Scheffler <span dir=3D"lt=
r">&lt;<a href=3D"mailto:jonanscheffler@gmail.com" target=3D"_blank">jonans=
cheffler@gmail.com</a>&gt;</span> wrote:<br><div class=3D"gmail_extra"><div=
 class=3D"gmail_quote">
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;p=
adding-left:1ex"><p dir=3D"ltr">You might be better off to ask yourself why=
 you need the type checking anyway. If you have a method designed to handle=
 an argument that might be a string or an integer you might be trying to do=
 two different things. </p>


<p dir=3D"ltr">If you&#39;re sure you want the integer you could just to_i =
the input. </p><div class=3D""><div class=3D"h5">
<div class=3D"gmail_quote"><br></div></div></div></blockquote><div><br></di=
v><div style>Problem all strings will convert to integers.</div><div style>=
<br></div><div>&quot;fred&quot;.to_i =3D&gt; 0</div><div>&quot;69skiddoo&qu=
ot;.to_i =3D&gt; 69</div>
<div style>&quot;&quot;.to_i =3D&gt; 0</div><div style><br></div><div style=
>I suspect that these would not be considered numbers.</div><div style><br>=
</div></div></div></div>

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