diff options
| -rw-r--r-- | absl/strings/cord.h | 8 | ||||
| -rw-r--r-- | absl/strings/cord_test.cc | 7 | ||||
| -rw-r--r-- | absl/strings/internal/str_format/arg.h | 1 |
3 files changed, 16 insertions, 0 deletions
diff --git a/absl/strings/cord.h b/absl/strings/cord.h index 1d30fde8..af013df0 100644 --- a/absl/strings/cord.h +++ b/absl/strings/cord.h @@ -765,6 +765,14 @@ class Cord { cord->Append(part); } + // Support automatic stringification with absl::StrCat and absl::StrFormat. + template <typename Sink> + friend void AbslStringify(Sink& sink, const absl::Cord& cord) { + for (absl::string_view chunk : cord.Chunks()) { + sink.Append(chunk); + } + } + // Cord::SetExpectedChecksum() // // Stores a checksum value with this non-empty cord instance, for later diff --git a/absl/strings/cord_test.cc b/absl/strings/cord_test.cc index bf507094..f1a5f39c 100644 --- a/absl/strings/cord_test.cc +++ b/absl/strings/cord_test.cc @@ -2656,6 +2656,13 @@ TEST_P(CordTest, Format) { EXPECT_EQ(c, "There were 0003 little pigs.And 1 bad wolf!"); } +TEST_P(CordTest, Stringify) { + absl::Cord c = + absl::MakeFragmentedCord({"A ", "small ", "fragmented ", "Cord", "."}); + MaybeHarden(c); + EXPECT_EQ(absl::StrCat(c), "A small fragmented Cord."); +} + TEST_P(CordTest, Hardening) { absl::Cord cord("hello"); MaybeHarden(cord); diff --git a/absl/strings/internal/str_format/arg.h b/absl/strings/internal/str_format/arg.h index 2e017549..20483aff 100644 --- a/absl/strings/internal/str_format/arg.h +++ b/absl/strings/internal/str_format/arg.h @@ -158,6 +158,7 @@ template <typename T> auto FormatConvertImpl(const T& v, FormatConversionSpecImpl, FormatSinkImpl* sink) -> std::enable_if_t<!std::is_enum<T>::value && + !std::is_same<T, absl::Cord>::value && std::is_void<decltype(AbslStringify( std::declval<FormatSink&>(), v))>::value, ArgConvertResult<FormatConversionCharSetInternal::v>> { |