The Thermopylae excerpt of TDPL available online
grauzone
none at example.net
Mon Nov 2 11:24:25 PST 2009
Don wrote:
> Jason House wrote:
>> Don Wrote:
>>
>>> Leandro Lucarella wrote:
>>>> Justin Johansson, el 30 de octubre a las 08:42 me escribiste:
>>>>>> Actually, I think I like that better than 'traits'.
>>>>>>
>>>>>> -Lars
>>>>> I'm in agreement with whoever suggested 'meta' or just about
>>>>> anything else except 'traits'.
>>>>> 'meta', whilst perhaps an overloaded keyword, is still much more
>>>>> user-friendly. Whenever
>>>>> I see 'traits' I get the feeling I need a Ph.D. to understand what
>>>>> it's about. For some reason,
>>>>> I don't know why, 'meta' has an aire of karma about it.
>>>> "compiler"? That could open the door to other types of access to
>>>> compiler
>>>> internals, AST, etc.
>>> Yup. I think the 'magic namespace' approach is a simple, clean way to
>>> incorporate reflection. It could be like Object and TypeInfo,
>>> implicitly available in every module and tightly coupled to the
>>> compiler, but can be viewed by the user as if it were just a module.
>>> It'd be particularly interesting if some of the functions _were_
>>> actually implemented in library code, when possible.
>>
>> What about going one step further? You could require an import
>> statement to use traits. For example, import traits=std.traits could
>> reproduce your earlier suggestion, but gives added flexibility to the
>> programmer. It also eliminates a keyword.
>
> It's too fundamental for that. You can't use template constraints
> without it.
> BTW, 'scope' is another possible magic namespace.
>
> scope.compiles(XXX) -- true if XXX compiles in the current scope.
>
> More generally, scope.YYY() would provide metaprogramming information
> about the property YYY of the current scope.
I suggest we use static. static.YYY(), doesn't look that lovely?
More information about the Digitalmars-d
mailing list