tl::unexpected("Some string") does not compile
scottschurr opened this issue · comments
The tl::unexpected class template infers tl:unexpected("Some string") with E as type char [22], not char const*.
I can use tl::unexpected<char const*>("Some string") as a work around, so it's not the end of the world.
However in C++17 it feels like a deduction guide along the lines of...
template <typename E, std::size_t N>
unexpected(E(&)[N]) -> unexpected<E const*>;
... would make tl::unexpected better behaved for this situation.
I'm not submitting a pull request because...
- tl::expected.hpp is not executing correctly in my environment, so I can't test the results.
- I don't know how to properly guard the deduction guide so it's only available for C++17 in this file.
But I figured I could at least pass the suggestion along. Thanks for reading.
