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Return Writer instead of std::string in variadic overloads of Format for performance & consistency with non-variadic versions.

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This commit is contained in:
Victor Zverovich
2014-04-24 07:32:01 -07:00
parent bc2cab2efe
commit 71a5b7a126
2 changed files with 11 additions and 12 deletions
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format.h
+6 -7
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@@ -1571,22 +1571,21 @@ inline Formatter<ColorWriter> PrintColored(Color c, StringRef format) {
return f;
}
#if FMT_USE_VARIADIC_TEMPLATES
#if FMT_USE_VARIADIC_TEMPLATES && FMT_USE_RVALUE_REFERENCES
template<typename... Args>
inline std::string Format(const StringRef &format, const Args & ... args) {
inline Writer Format(const StringRef &format, const Args & ... args) {
Writer w;
w.Format(format, args...);
return str(w);
return std::move(w);
}
template<typename... Args>
inline std::wstring Format(const WStringRef &format, const Args & ... args) {
inline WWriter Format(const WStringRef &format, const Args & ... args) {
WWriter w;
w.Format(format, args...);
return str(w);
return std::move(w);
}
#endif // FMT_USE_VARIADIC_TEMPLATES
#endif // FMT_USE_VARIADIC_TEMPLATES && FMT_USE_RVALUE_REFERENCES
}
// Restore warnings.