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fmt(): Pass arguments by reference rather than by value

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This commit is contained in:
Eelco Dolstra 2019-12-05 17:39:11 +01:00
parent f4b9495854
commit 334b8f8af1
2 changed files with 2 additions and 2 deletions
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2
src/libutil/logging.hh
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@ -158,7 +158,7 @@ extern Verbosity verbosity; /* suppress msgs > this */
#define vomit(args...) printMsg(lvlVomit, args)
template<typename... Args>
inline void warn(const std::string & fs, Args... args)
inline void warn(const std::string & fs, const Args & ... args)
{
boost::format f(fs);
nop{boost::io::detail::feed(f, args)...};

2
src/libutil/types.hh
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@ -67,7 +67,7 @@ inline std::string fmt(const FormatOrString & fs)
}
template<typename... Args>
inline std::string fmt(const std::string & fs, Args... args)
inline std::string fmt(const std::string & fs, const Args & ... args)
{
boost::format f(fs);
f.exceptions(boost::io::all_error_bits ^ boost::io::too_many_args_bit);