On Thursday, 29 November 2012 at 15:18:11 UTC, Paulo Pinto wrote:
On Thursday, 29 November 2012 at 12:04:28 UTC, Max Samukha wrote:
On Thursday, 29 November 2012 at 11:39:20 UTC, Paulo Pinto wrote:
On Thursday, 29 November 2012 at 03:19:55 UTC, Andrei Alexandrescu wrote:
On 11/28/12 9:34 PM, Walter Bright wrote:
For discussion:
[snip]

I'd say we better finish const, immutable, and shared first.

Andrei

+1

Fully agree.

Cyclic imports are a minor nuisance that can be easily solvable with better code architecture.

Show me please how to solve that problem easily with acceptable results, would you?

You just need to have a better architecture.

In 20 years of software development experience I never found a case were this wasn't possible.

That's an argument from authority, sorry.


Maybe you care to provide an example?


The general problem is constructing global data structures based on data introspected at compile-time.

My specific problem is extending scarce runtime type information provided by the language with something usable for runtime reflection. With lots of detail omitted:

module reflect;

Meta[string] metas;
mixin template Reflect(alias object) {
    static this()
    {
        auto m = meta!(object);
        metas[m.fullName] ~= m;
    }
}


module a;
import reflect;

struct S
{
}
mixin Reflect!S;

The meta-object for S is automatically made available at runtime through the global metas array. Note that we do not want to force the user to register the meta-object manually because then it would not be a "better architecture".

The important (Andrei somehow thinks it is not) requirement is there must not be circular dependency issues for the users of the "reflect" module.








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