| 1 | // RUN: %check_clang_tidy -std=c++14 %s cppcoreguidelines-missing-std-forward %t -- \ |
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| 2 | // RUN: -config="{CheckOptions: {cppcoreguidelines-missing-std-forward.ForwardFunction: custom_forward}}" -- -fno-delayed-template-parsing |
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| 3 | |
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| 4 | // NOLINTBEGIN |
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| 5 | namespace std { |
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| 6 | |
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| 7 | template <typename T> struct remove_reference { using type = T; }; |
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| 8 | template <typename T> struct remove_reference<T&> { using type = T; }; |
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| 9 | template <typename T> struct remove_reference<T&&> { using type = T; }; |
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| 10 | |
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| 11 | template <typename T> using remove_reference_t = typename remove_reference<T>::type; |
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| 12 | |
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| 13 | template <typename T> constexpr T &&forward(remove_reference_t<T> &t) noexcept; |
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| 14 | template <typename T> constexpr T &&forward(remove_reference_t<T> &&t) noexcept; |
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| 15 | template <typename T> constexpr remove_reference_t<T> &&move(T &&x); |
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| 16 | |
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| 17 | } // namespace std |
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| 18 | // NOLINTEND |
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| 19 | |
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| 20 | template<class T> |
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| 21 | constexpr decltype(auto) custom_forward(std::remove_reference_t<T>& tmp) noexcept |
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| 22 | { |
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| 23 | return static_cast<T&&>(tmp); |
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| 24 | } |
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| 25 | |
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| 26 | template<class T> |
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| 27 | constexpr decltype(auto) custom_forward(std::remove_reference_t<T>&& tmp) noexcept |
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| 28 | { |
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| 29 | return static_cast<T&&>(tmp); |
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| 30 | } |
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| 31 | |
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| 32 | template<class T> |
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| 33 | void forward_with_std(T&& t) { |
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| 34 | // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: forwarding reference parameter 't' is never forwarded inside the function body [cppcoreguidelines-missing-std-forward] |
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| 35 | |
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| 36 | T other{std::forward<T>(t)}; |
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| 37 | } |
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| 38 | |
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| 39 | template<class T> |
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| 40 | void move_with_custom(T&& t) { |
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| 41 | T other{custom_forward<T>(t)}; |
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| 42 | } |
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| 43 | |
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