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is_error_type_enum<E, Enum>

A customisable integral constant type true for E types constructible from Enum types which are to receive error throwing no-value policies

Overridable: By template specialisation into the trait namespace.

Default: False. Specialisations exist for:


Header: <boost/outcome/trait.hpp>

Last revised: December 13, 2018 at 17:36:11 UTC

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