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Optimize string concatenation

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Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com>
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Eelco Dolstra 2022-12-12 12:36:19 +01:00 committed by GitHub
parent 703d863a48
commit 8272cd9dec
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1 changed files with 3 additions and 1 deletions
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4
src/libutil/util.hh
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@ -756,7 +756,9 @@ inline std::string operator + (std::string && s, std::string_view s2)
inline std::string operator + (std::string_view s1, const char * s2) inline std::string operator + (std::string_view s1, const char * s2)
{ {
std::string s(s1); std::string s;
s.reserve(s1.size() + strlen(s2));
s.append(s1);
s.append(s2); s.append(s2);
return s; return s;
} }