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Core/ChatCommands: Move ostream operator into Variant class so we don't pollute std:: (PR #25413)

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(cherry picked from commit 68a4085427)
This commit is contained in:
Peter Keresztes Schmidt
2020-09-07 00:22:37 +02:00
committed by Shauren
parent 706163743d
commit cb2a284359
1 changed files with 6 additions and 10 deletions
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16
src/server/game/Chat/ChatCommands/ChatCommandTags.h
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@@ -258,17 +258,13 @@ namespace Trinity::ChatCommands
template <typename T>
constexpr bool holds_alternative() const { return std::holds_alternative<T>(static_cast<base const&>(*this)); }
template <bool C = have_operators>
friend std::enable_if_t<C, std::ostream&> operator<<(std::ostream& os, Trinity::ChatCommands::Variant<T1, Ts...> const& v)
{
return (os << *v);
}
};
}
/* make the correct operator<< to use explicit, because otherwise the compiler gets confused with the implicit std::variant conversion */
namespace std
{
template <typename... Ts>
auto operator<<(std::ostream& os, Trinity::ChatCommands::Variant<Ts...> const& v) -> std::enable_if_t<Trinity::ChatCommands::Variant<Ts...>::have_operators, std::ostream&>
{
return (os << *v);
}
}
#endif