Variable t8_mesh_handle::detail::contains_tag_v

• Defined in File competence_pack_union.hxx

Variable Documentation

template<template<class> class TCompetence, template<class> class ...TUnionCompetences>
constexpr bool t8_mesh_handle::detail::contains_tag_v = std::disjunction_v<std::is_same<tag<TCompetence>, tag<TUnionCompetences>>...>

Check whether a competence is already contained in a competence pack.

This helper compares the given competence TCompetence against a list of competences TUnionCompetences using the tag wrapper.

Template Parameters:

• TCompetence – Competence to check for.

• TUnionCompetences – Existing competences in the pack.

Return:

true if TCompetence is already present, and false otherwise.