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merge(3p/absl): subtree merge of Abseil up to e19260f

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... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).

Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
This commit is contained in:
Vincent Ambo 2020-11-21 14:43:54 +01:00
parent cc27324d02
commit 082c006c04
854 changed files with 11260 additions and 5296 deletions
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33
third_party/abseil_cpp/absl/flags/flag.h vendored
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@ -144,11 +144,17 @@ class Flag {
inline bool IsOfType() const {
return GetImpl().template IsOfType<U>();
}
T Get() const { return GetImpl().Get(); }
void Set(const T& v) { GetImpl().Set(v); }
T Get() const {
return flags_internal::FlagImplPeer::InvokeGet<T>(GetImpl());
}
void Set(const T& v) {
flags_internal::FlagImplPeer::InvokeSet(GetImpl(), v);
}
void InvokeCallback() { GetImpl().InvokeCallback(); }
const CommandLineFlag& Reflect() const { return GetImpl().Reflect(); }
const CommandLineFlag& Reflect() const {
return flags_internal::FlagImplPeer::InvokeReflect(GetImpl());
}
// The data members are logically private, but they need to be public for
// this to be an aggregate type.
@ -180,7 +186,7 @@ class Flag {
// std::string first_name = absl::GetFlag(FLAGS_firstname);
template <typename T>
ABSL_MUST_USE_RESULT T GetFlag(const absl::Flag<T>& flag) {
return flag.Get();
return flags_internal::FlagImplPeer::InvokeGet<T>(flag);
}
// SetFlag()
@ -192,7 +198,7 @@ ABSL_MUST_USE_RESULT T GetFlag(const absl::Flag<T>& flag) {
// but especially within performance-critical code.
template <typename T>
void SetFlag(absl::Flag<T>* flag, const T& v) {
flag->Set(v);
flags_internal::FlagImplPeer::InvokeSet(*flag, v);
}
// Overload of `SetFlag()` to allow callers to pass in a value that is
@ -201,7 +207,7 @@ void SetFlag(absl::Flag<T>* flag, const T& v) {
template <typename T, typename V>
void SetFlag(absl::Flag<T>* flag, const V& v) {
T value(v);
flag->Set(value);
flags_internal::FlagImplPeer::InvokeSet(*flag, value);
}
// GetFlagReflectionHandle()
@ -216,7 +222,7 @@ void SetFlag(absl::Flag<T>* flag, const V& v) {
template <typename T>
const CommandLineFlag& GetFlagReflectionHandle(const absl::Flag<T>& f) {
return f.Reflect();
return flags_internal::FlagImplPeer::InvokeReflect(f);
}
ABSL_NAMESPACE_END
@ -379,11 +385,12 @@ ABSL_NAMESPACE_END
//
// `default_value` is only used as a double check on the type. `explanation` is
// unused.
// TODO(rogeeff): Return an anonymous struct instead of bool, and place it into
// the unnamed namespace.
#define ABSL_RETIRED_FLAG(type, flagname, default_value, explanation) \
ABSL_ATTRIBUTE_UNUSED static const bool ignored_##flagname = \
([] { return type(default_value); }, \
absl::flags_internal::RetiredFlag<type>(#flagname))
// TODO(rogeeff): replace RETIRED_FLAGS with FLAGS once forward declarations of
// retired flags are cleaned up.
#define ABSL_RETIRED_FLAG(type, name, default_value, explanation) \
static absl::flags_internal::RetiredFlag<type> RETIRED_FLAGS_##name; \
ABSL_ATTRIBUTE_UNUSED static const auto RETIRED_FLAGS_REG_##name = \
(RETIRED_FLAGS_##name.Retire(#name), \
::absl::flags_internal::FlagRegistrarEmpty{})
#endif // ABSL_FLAGS_FLAG_H_