Re: Spirit X3 employee.cpp compile error

On 08/10/2016 11:12 PM, Vincent Virgilio wrote:
> Visual Studio 2015 Professional
> Boost 1.61, Windows binary install
> Spirit X3 example 'employee.cpp' (http://ciere.com/example/x3/employee.cpp)
>
> Unless I add a third template argument of 'true' to the declaration of
> the employee rule, compilation fails with the below message. It's
> tripping on an ambiguous overload.
>
> Vince
>
[snip]
Hi Vince.

FWIW, the code here:

https://github.com/boostorg/spirit/blob/develop/include/boost/spirit/home/x3/nonterminal/rule.hpp#L75

does require a 3ird bool template argument.

However, the documentation here:

http://ciere.com/cppnow15/x3_docs/spirit/quick_reference/non_terminals.html

does not.

Maybe the ciere.com employee.cpp is based on a different library,
one where rule only has 2 template arguments.  I've tried, without
success, to find where on ciere.com that library might be available :(
When I pointed my browser to:

http://ciere.com/cppnow15/

it showed the link:

   X3 Documentation

pointing to:

   http://ciere.com/cppnow15/x3_docs/

but it also showed:

--{--cut here--
Spirit X3 Source

GitHub: [email protected]:boostorg/spirit.git

Use the develop branch.
--}--cut here--

and following the GitHub link:

https://github.com/boostorg/spirit/

lead to, eventually:

https://github.com/boostorg/spirit/blob/develop/include/boost/spirit/home/x3/nonterminal/rule.hpp#L75

which is where rule has 3 template arguments :(

So, I gave up at that point trying to find the 2 template argument rule
code :(

-regards,
Larry




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