Allows the use of part of the language keywords?

Walter Bright via Digitalmars-d digitalmars-d at puremagic.com
Sat Aug 27 12:24:11 PDT 2016


On 8/27/2016 6:36 AM, ZombineDev wrote:
> As Timon said, this won't make the grammar context dependent. Also,
> C# has the concept of contextual keywords. Such keywords have special meaning in
> certain contexts but are otherwise available for use as identifiers. C# also
> allows to use normal keywords as identifiers, but you have use the @for syntax
> to disambiguate (e.g. see http://rextester.com/JBOTC21251). From my experience
> of using C# the system is well designed and I have never seen problems in
> practice. I'm sure something similar can successfully be implemented for D.
> Though I would consider such enhancement with low priority.
>
> See https://msdn.microsoft.com/en-us/library/x53a06bb.aspx for more info.

D has contextual keywords, too, and has had them since the beginning:

    extern (C)
    pragma (msg, ...)
    scope (exit)

etc.

Microsoft has tried to patent contextual keywords in C#, but I don't think they 
have a case.


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