Check if a variable exists
Kirk McDonald
kirklin.mcdonald at gmail.com
Fri Aug 18 12:14:34 PDT 2006
Peter Thomassen wrote:
> Hi.
>
> Is it possible to check if a variable exists, like PHP's isset()?
>
> Thanks!
> Peter
Typically, you only ever have to ask when doing fairly complex template
stuff; this is largely the point of a statically-typed language. Mind if
I ask why you need to check for this? The answer, though, is this:
static if (is(typeof(my_variable))) {
// ...
}
--
Kirk McDonald
Pyd: Wrapping Python with D
http://pyd.dsource.org
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