You may start with noting that. a std::optional may hold a value, or may be empty, and that; a std::unique_ptr may hold ownership of an ... ... <看更多>
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You may start with noting that. a std::optional may hold a value, or may be empty, and that; a std::unique_ptr may hold ownership of an ... ... <看更多>
Single header implementation of std::optional with functional-style extensions and support for references. Documentation Status Clang + GCC: Linux Build Status ... ... <看更多>
Optionals(也稱為Maybe 型別)用於表示其內容可能存在或不存在的型別。它們在C++ 17 中實現為 std::optional 類。例如, std::optional<int> 型別的 ... ... <看更多>
Public Types | Public Member Functions | List of all members. std::experimental::optional< T > Class Template Reference. #include "optional.hpp" ... ... <看更多>
See my A standard-conforming C++17 std::optional implementation, partly inspired by this post. (Note: C++17-only features like inline variables are ignored ... ... <看更多>