How to efficiently return an std::optional

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How to efficiently return an std::optional
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Thanks to all those great people for their contributions!

(stackoverflow.com/users/4226809/ji%c5%99%c3%ad-lechner)Jiří Lechner |
(stackoverflow.com/users/3943312/sam-varshavchik)Sam Varshavchik |
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stdoptional optimization c++17 c++




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Tags:
stdoptional
optimization
c++17
c++