/*
- * Copyright 2017 Facebook, Inc.
+ * Copyright 2011-present Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <limits>
#include <stdexcept>
+
#include <glog/logging.h>
+
#include <folly/Likely.h>
#include <folly/Portability.h>
#include <folly/detail/DiscriminatedPtrDetail.h>
-#if !FOLLY_X64 && !FOLLY_A64 && !FOLLY_PPC64
+#if !FOLLY_X64 && !FOLLY_AARCH64 && !FOLLY_PPC64
# error "DiscriminatedPtr is x64, arm64 and ppc64 specific code."
#endif
template <typename V>
typename dptr_detail::VisitorResult<V, Types...>::type apply(V&& visitor) {
size_t n = index();
- if (n == 0) throw std::invalid_argument("Empty DiscriminatedPtr");
+ if (n == 0) {
+ throw std::invalid_argument("Empty DiscriminatedPtr");
+ }
return dptr_detail::ApplyVisitor<V, Types...>()(
n, std::forward<V>(visitor), ptr());
}
typename dptr_detail::ConstVisitorResult<V, Types...>::type apply(V&& visitor)
const {
size_t n = index();
- if (n == 0) throw std::invalid_argument("Empty DiscriminatedPtr");
+ if (n == 0) {
+ throw std::invalid_argument("Empty DiscriminatedPtr");
+ }
return dptr_detail::ApplyConstVisitor<V, Types...>()(
n, std::forward<V>(visitor), ptr());
}
uintptr_t data_;
};
-} // namespace folly
+template <typename Visitor, typename... Args>
+decltype(auto) apply_visitor(
+ Visitor&& visitor,
+ const DiscriminatedPtr<Args...>& variant) {
+ return variant.apply(std::forward<Visitor>(visitor));
+}
+
+template <typename Visitor, typename... Args>
+decltype(auto) apply_visitor(
+ Visitor&& visitor,
+ DiscriminatedPtr<Args...>& variant) {
+ return variant.apply(std::forward<Visitor>(visitor));
+}
+
+template <typename Visitor, typename... Args>
+decltype(auto) apply_visitor(
+ Visitor&& visitor,
+ DiscriminatedPtr<Args...>&& variant) {
+ return variant.apply(std::forward<Visitor>(visitor));
+}
+
+} // namespace folly