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| author | Phoebe Liang <phoebeliang@google.com> | 2022-11-02 15:27:54 -0700 |
|---|---|---|
| committer | Copybara-Service <copybara-worker@google.com> | 2022-11-02 15:28:46 -0700 |
| commit | e6044634dd7caec2d79a13aecc9e765023768757 (patch) | |
| tree | 3ffe2c00f4b5e49da4f4e7d9e50c64999f318408 /absl/strings/internal/stringify_sink.h | |
| parent | 1649c037c556bdaca7241bc0113275506bdb9638 (diff) | |
| download | abseil-e6044634dd7caec2d79a13aecc9e765023768757.tar.gz abseil-e6044634dd7caec2d79a13aecc9e765023768757.tar.bz2 abseil-e6044634dd7caec2d79a13aecc9e765023768757.zip | |
Support logging of user-defined types that implement `AbslStringify()`
If a user-defined type has `AbslStringify()` defined, it will always be used for logging over `operator<<`.
`HasAbslStringify` now uses the empty class `UnimplementedSink` for its checks instead of `StringifySink` in order to make it work in cases involving other sinks.
PiperOrigin-RevId: 485710377
Change-Id: Ibdd916151c7abc3269c35fbe79b772867f3d25e1
Diffstat (limited to 'absl/strings/internal/stringify_sink.h')
| -rw-r--r-- | absl/strings/internal/stringify_sink.h | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/absl/strings/internal/stringify_sink.h b/absl/strings/internal/stringify_sink.h index 5e326a0b..fc3747bb 100644 --- a/absl/strings/internal/stringify_sink.h +++ b/absl/strings/internal/stringify_sink.h @@ -49,15 +49,6 @@ string_view ExtractStringification(StringifySink& sink, const T& v) { return sink.buffer_; } -template <typename T, typename = void> -struct HasAbslStringify : std::false_type {}; - -template <typename T> -struct HasAbslStringify<T, std::enable_if_t<std::is_void<decltype(AbslStringify( - std::declval<strings_internal::StringifySink&>(), - std::declval<const T&>()))>::value>> - : std::true_type {}; - } // namespace strings_internal ABSL_NAMESPACE_END |