TypeTuple ABI mangling

[H. S. Teoh via Digitalmars-d]

On Sat, Jul 26, 2014 at 07:44:47PM +0000, Iain Buclaw via Digitalmars-d wrote:
> Hi,
> 
> TypeTuples have a special mangling convention in the compiler.
> 
> As per the docs (ref: http://dlang.org/abi.html)
> 
> TypeTuple:
>     B Number Arguments
> 
> 
> However after some cursory tests, it seems that the most obvious examples
> of, passing a tuple via parameters, returning a tuple, declaring a tuple
> variable, etc... all get lowered before mangling.
> 
> So at first glance, this mangling convention is redundant.
> 
> Unless of course someone can post an example which triggers mangling
> of TypeTuples...
[...]

Huh, interesting. I tried various wrapping/unwrapping tricks and passing
things via alias parameters, but none of them triggered TypeTuple
mangling. Either I missed something obvious, or perhaps this mangling is
never actually emitted? Not sure.


T

-- 
It won't be covered in the book. The source code has to be useful for something, after all. -- Larry Wall