Re: How to implement dynamic typing?

"Harold Aptroot" <harold.aptroot@gmail.com>
Sun, 11 Apr 2010 21:49:14 +0200

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[11 later articles]
| List of all articles for this month |
From: "Harold Aptroot" <harold.aptroot@gmail.com>
Newsgroups: comp.compilers
Date: Sun, 11 Apr 2010 21:49:14 +0200
Organization: A noiseless patient Spider
References: 10-04-009 10-04-028
Keywords: types
Posted-Date: 12 Apr 2010 01:31:41 EDT

"BGB / cr88192" <cr88192@hotmail.com> wrote in message


(snip)


> something fairly similar to the above can be done readily in both Java and
> C#, or in C++ if using RTTI and "dynamic_cast<>" (although of these, C#
> probably provides the most cumbersome syntax IMO).
>
> C++: if(dynamic_cast<Foo>(obj)) ...
> Java: if(obj instanceof Foo) ...
> C#: if(typeof(Foo).IsInstanceOf(obj)) ...


How about: if (obj is Foo) for C#?


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