How to pass a class by (const) reference to C++

rikki cattermole rikki at
Wed Dec 15 11:03:27 UTC 2021

On 15/12/2021 11:54 PM, Jan wrote:
> On Wednesday, 15 December 2021 at 09:36:54 UTC, Jan wrote:
>> Unfortunately it's the "annoying little details" that I immediately 
>> bumped into.
> Just another example: I just learned that linking against C++ DLLs is 
> quite limited. I ran into the issue that linking in an external variable 
> doesn't work (even though the mangled name that D chooses is correct), 
> because DLLs work differently than static linking does.
> Someone with more in-depth knowledge told me, that Windows support in D 
> and specifically DLL support is lacking quite a bit.
> Having *only* link compatibility is totally fine, D currently just 
> doesn't fulfill that promise, especially not on Windows and especially 
> not with DLLs.

Are you sure that on the shared library side it was marked as exported?

If a symbol is not exported, there is no guarantee (nor reason to think) 
that it will be visible during runtime linking to said shared 

This isn't unique to D, its just how linkers work.

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