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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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43
third_party/abseil_cpp/absl/flags/internal/usage.h vendored
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@ -36,7 +36,8 @@ enum class HelpFormat {
kHumanReadable,
};
// Outputs the help message describing specific flag.
// Streams the help message describing `flag` to `out`.
// The default value for `flag` is included in the output.
void FlagHelp(std::ostream& out, const CommandLineFlag& flag,
HelpFormat format = HelpFormat::kHumanReadable);
@ -65,17 +66,39 @@ void FlagsHelp(std::ostream& out, absl::string_view filter,
int HandleUsageFlags(std::ostream& out,
absl::string_view program_usage_message);
// --------------------------------------------------------------------
// Globals representing usage reporting flags
enum class HelpMode {
kNone,
kImportant,
kShort,
kFull,
kPackage,
kMatch,
kVersion,
kOnlyCheckArgs
};
// Returns substring to filter help output (--help=substr argument)
std::string GetFlagsHelpMatchSubstr();
// Returns the requested help mode.
HelpMode GetFlagsHelpMode();
// Returns the requested help format.
HelpFormat GetFlagsHelpFormat();
// These are corresponding setters to the attributes above.
void SetFlagsHelpMatchSubstr(absl::string_view);
void SetFlagsHelpMode(HelpMode);
void SetFlagsHelpFormat(HelpFormat);
// Deduces usage flags from the input argument in a form --name=value or
// --name. argument is already split into name and value before we call this
// function.
bool DeduceUsageFlags(absl::string_view name, absl::string_view value);
} // namespace flags_internal
ABSL_NAMESPACE_END
} // namespace absl
ABSL_DECLARE_FLAG(bool, help);
ABSL_DECLARE_FLAG(bool, helpfull);
ABSL_DECLARE_FLAG(bool, helpshort);
ABSL_DECLARE_FLAG(bool, helppackage);
ABSL_DECLARE_FLAG(bool, version);
ABSL_DECLARE_FLAG(bool, only_check_args);
ABSL_DECLARE_FLAG(std::string, helpon);
ABSL_DECLARE_FLAG(std::string, helpmatch);
#endif // ABSL_FLAGS_INTERNAL_USAGE_H_