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string_util: Use emplace_back() in SplitString() instead of push_back()
This is equivalent to doing: push_back(std::string("")); which is likely not to cause issues, assuming a decent std::string implementation with small-string optimizations implemented in its design, however it's still a little unnecessary to copy that buffer regardless. Instead, we can use emplace_back() to directly construct the empty string within the std::vector instance, eliminating any possible overhead from the copy.
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1 changed files with 3 additions and 2 deletions
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@ -162,8 +162,9 @@ void SplitString(const std::string& str, const char delim, std::vector<std::stri
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std::istringstream iss(str);
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output.resize(1);
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while (std::getline(iss, *output.rbegin(), delim))
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output.push_back("");
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while (std::getline(iss, *output.rbegin(), delim)) {
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output.emplace_back();
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}
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output.pop_back();
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}
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