Re: [boost] [Boost.Test] Custom DataSet compiler error with no match for »operator^

Subject: Re: [boost] [Boost.Test] Custom DataSet compiler error with no match for »operator^
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2017-03-28 19:57:32

AMDG

On 03/28/2017 01:38 PM, Olaf Peter via Boost wrote:
> 
> I run into a compile problem with [Boost.Test] DataSet. I can reduce it
> by re-using the example provided by the docs:
> 
> http://www.boost.org/doc/libs/1_62_0/libs/test/doc/html/boost_test/tests_organization/test_cases/test_case_generation/datasets.html#boost_test.tests_organization.test_cases.test_case_generation.datasets.example_descr
> 
> <snip>
>     fibonacci_dataset()  ^  fibonacci_dataset(),
> <snip>
> 
>  error: no match for 'operator^' (operand types are
> 'boost::unit_test::data::result_of::make<fibonacci_dataset>::type {aka
> fibonacci_dataset}' and 'fibonacci_dataset')
>      fibonacci_dataset() ^ fibonacci_dataset(),
> 
> My use case has to load input and expect files provides by two datasets.
> How to fix it?
> 

Bring the operator into scope:

using bdata::monomorphic::operator^;

This would normally be found by ADL, if either of the
datasets is from Boost.Test.

In Christ,
Steven Watanabe