diff options
Diffstat (limited to 'third_party/abseil-cpp/absl/functional/function_ref.h')
| -rw-r--r-- | third_party/abseil-cpp/absl/functional/function_ref.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/third_party/abseil-cpp/absl/functional/function_ref.h b/third_party/abseil-cpp/absl/functional/function_ref.h index 370acc55b0..824e3cea9d 100644 --- a/third_party/abseil-cpp/absl/functional/function_ref.h +++ b/third_party/abseil-cpp/absl/functional/function_ref.h @@ -50,6 +50,7 @@ #include <functional> #include <type_traits> +#include "absl/base/attributes.h" #include "absl/functional/internal/function_ref.h" #include "absl/meta/type_traits.h" @@ -90,7 +91,7 @@ class FunctionRef<R(Args...)> { // Used to disable constructors for objects that are not compatible with the // signature of this FunctionRef. template <typename F, - typename FR = absl::base_internal::InvokeT<F, Args&&...>> + typename FR = absl::base_internal::invoke_result_t<F, Args&&...>> using EnableIfCompatible = typename std::enable_if<std::is_void<R>::value || std::is_convertible<FR, R>::value>::type; @@ -98,7 +99,8 @@ class FunctionRef<R(Args...)> { public: // Constructs a FunctionRef from any invokable type. template <typename F, typename = EnableIfCompatible<const F&>> - FunctionRef(const F& f) // NOLINT(runtime/explicit) + // NOLINTNEXTLINE(runtime/explicit) + FunctionRef(const F& f ABSL_ATTRIBUTE_LIFETIME_BOUND) : invoker_(&absl::functional_internal::InvokeObject<F, R, Args...>) { absl::functional_internal::AssertNonNull(f); ptr_.obj = &f; @@ -122,6 +124,7 @@ class FunctionRef<R(Args...)> { // To help prevent subtle lifetime bugs, FunctionRef is not assignable. // Typically, it should only be used as an argument type. FunctionRef& operator=(const FunctionRef& rhs) = delete; + FunctionRef(const FunctionRef& rhs) = default; // Call the underlying object. R operator()(Args... args) const { |