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types/tagged: add not-equal operator

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This commit is contained in:
Danny Robson 2020-10-21 10:22:51 +10:00
parent 928e2aa2d5
commit 8111074a44
1 changed files with 14 additions and 0 deletions
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14
types/tagged.hpp
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@ -262,4 +262,18 @@ namespace cruft {
) || ... ) || ...
); );
} }
template <typename ...ComponentsT>
bool operator!= (tagged<ComponentsT...> const &lhs, tagged<ComponentsT...> const &rhs)
{
if (lhs.tag () != rhs.tag ())
return false;
return (
(
lhs.template is<ComponentsT> () &&
(lhs.template get<ComponentsT> () != rhs.template get<ComponentsT> ())
) || ...
);
}
} }