Martin Posch

I ported some weeks ago as an exercise the spirit::x3 example calc2.cpp augmented with building the AST and it's evaluation. It's still using integers as input (though returning double) but...

mmh, strange. I noticed, that the respective "Windows MSVC / build (23, windows-2022) (pull_request)" already failed on your last check-in (April 1) with exactly the same error (https://github.com/tzlaine/parser/actions/runs/8513670468/job/23317833028) and that...

I think issue #169 breaks the build for the respective os-compiler-c++ variant (see #174)