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logger_useful: implicitly convert fmt::basic_runtime for std::string ctor

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Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
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Azat Khuzhin 2022-02-01 12:23:30 +03:00
parent bedf208cbd
commit 220ed206c1
1 changed files with 2 additions and 0 deletions
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base/base/logger_useful.h
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@ -12,6 +12,8 @@ namespace
{ {
template <typename... Ts> constexpr size_t numArgs(Ts &&...) { return sizeof...(Ts); } template <typename... Ts> constexpr size_t numArgs(Ts &&...) { return sizeof...(Ts); }
template <typename T, typename... Ts> constexpr auto firstArg(T && x, Ts &&...) { return std::forward<T>(x); } template <typename T, typename... Ts> constexpr auto firstArg(T && x, Ts &&...) { return std::forward<T>(x); }
/// For implicit conversion of fmt::basic_runtime<> to char* for std::string ctor
template <typename T, typename... Ts> constexpr auto firstArg(fmt::basic_runtime<T> && data, Ts &&...) { return data.str.data(); }
} }