Check if template has been passed a reference type or value type?
Gary Willoughby via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Thu Jun 25 11:01:34 PDT 2015
On Sunday, 7 June 2015 at 15:17:27 UTC, 1967 wrote:
> I've got a template that takes in a type. Sometimes the type is
> a class, sometimes a struct, sometimes just an int. It doesn't
> much matter what it is, but if it's a reference type I need to
> check if it's null so I can make it not null before using it. I
> get an error if I try to check if a value type is null so I'd
> like to put a "static if" to check if the type passed to the
> template is a nullable one so I can avoid checking the value
> types passed in. What do I have to do to check for nullability?
A simple test:
http://dpaste.dzfl.pl/3b8c5a0bb69c
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