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Avoid extra copy made by initializer_list

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Zhihao Yuan 2019-11-16 22:14:14 -06:00
parent 56c041707a
commit 7dd6655a9e
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1 changed files with 1 additions and 1 deletions
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include/argparse.hpp
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@ -416,7 +416,7 @@ public:
// Parameter packed add_parents method // Parameter packed add_parents method
// Accepts a variadic number of ArgumentParser objects // Accepts a variadic number of ArgumentParser objects
template <typename... Targs> void add_parents(const Targs &... Fargs) { template <typename... Targs> void add_parents(const Targs &... Fargs) {
for (auto &tParentParser : {Fargs...}) { for (const ArgumentParser &tParentParser : {std::ref(Fargs)...}) {
for (auto &tArgument : tParentParser.mPositionalArguments) { for (auto &tArgument : tParentParser.mPositionalArguments) {
auto it = auto it =
mPositionalArguments.insert(cend(mPositionalArguments), tArgument); mPositionalArguments.insert(cend(mPositionalArguments), tArgument);