Re: SWIG syntax error on list initializer of template ctor parameter

I thought it was a syntax error too at first in a function declaration,
which when corrected would be:

  const A<char, 3> A3(std::array<char, 3> = {'A','B','C'});

SWIG is equally confused I'm afraid, so please log this as a bug on Github.
You can work around it by declaring your variable using this syntax instead:

  const A<char, 3> A3 = A(std::array<char, 3>{'A','B','C'});

William

On Thu, 24 Sep 2020 at 07:36, <[email protected]> wrote:

> Meta-issue: Is it better to ask questions here, or on SO?  (SO is easier.)
>
> It's been awhile since I've done C++ coding, and I'm new to SWIG.  I posted
> my code to https://github.com/performantdata/swig-issue-2020-09/
>
> I'm trying to define an instance of a fully-specialized template and make
> it visible to Java.  The template ctor takes one parameter, a std::array.
> When I use a braced-init-list in the C++ header:
>
> ```
> const A<char, 3> A3(std::array<char, 3>{'A','B','C'});
> ```
>
> that seems fine to C++.  But when I specify that in the .i file, SWIG
> fails with "Error: Syntax error in input(1)."  If I remove the initializer
> list, SWIG succeeds, but the C++ compilation of the SWIG-generated wrapper
> fails, because it doesn't pass a parameter to the A ctor.
>
>
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> Swig-user mailing list
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