The Final(ize) Challenge

[davidl]

在 Tue, 19 May 2009 05:29:09 +0800，Jarrett Billingsley  
<jarrett.billingsley at gmail.com> 写道:

> On Mon, May 18, 2009 at 5:12 PM, Jarrett Billingsley
> <jarrett.billingsley at gmail.com> wrote:
>> ...
>
> Aaand for contrast, if we had __ident and static foreach:
>
> final class Finalize(T) : T
> {
> 	this(T...)(T args) if(is(typeof(new T(args)))) { super(args); }
>
> 	static foreach(member; __traits(allMembers, T))
> 		static if(__traits(isVirtualFunction, __traits(getMember, T,
> member)) && !__traits(isFinalFunction, __traits(getMember, T,
> member)))
> 			override ReturnType!(__traits(getMember, T, member))
> __ident(member)(ParameterTypeTuple!(__traits(getMember, T, member)
> args)
> 				{ return super.__ident(member)(args); }
> }

Err this sort of __ident is implemented by my patch against allMembers.

It's arranged as:

[ "membername", membersymbol, "member2name", membersymbol]
that is
__traits(allMembers, ClassSym)[1](3,4)	 would call the second member of  
ClassSym with args (3,4)

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