is_error_type<E>
A customisable integral constant type true for E types which are to receive error throwing no-value policies.
Overridable: By template specialisation into the trait namespace.
Default: False. Specialisations to true exist for:
- <boost/outcome/boost_result.hpp>- boost::system::error_code
- boost::system::errc::errc_t
- boost::exception_ptr
 
- <boost/outcome/std_result.hpp>- std::error_code
- std::errc
- std::exception_ptr
 
Namespace: BOOST_OUTCOME_V2_NAMESPACE::trait
Header: <boost/outcome/trait.hpp>



