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| author | Valery Mironov <32071355+MBkkt@users.noreply.github.com> | 2024-05-15 09:55:15 -0700 |
|---|---|---|
| committer | Copybara-Service <copybara-worker@google.com> | 2024-05-15 09:56:10 -0700 |
| commit | cbfe51b2c01da330ff292b145de91346a5950163 (patch) | |
| tree | b44cde72bf5ab82bda549202adaec082d4ab33ad /absl/strings/internal/str_join_internal.h | |
| parent | 6683a6174003e51259b4f6ffb276941aa27709ce (diff) | |
| download | abseil-cbfe51b2c01da330ff292b145de91346a5950163.tar.gz abseil-cbfe51b2c01da330ff292b145de91346a5950163.tar.bz2 abseil-cbfe51b2c01da330ff292b145de91346a5950163.zip | |
PR #1672: Optimize StrJoin with tuple without user defined formatter
Imported from GitHub PR https://github.com/abseil/abseil-cpp/pull/1672
https://github.com/abseil/abseil-cpp/discussions/1671
Merge ddcbb2466b2c9c4048d60be7e58cf47f935c257d into eba8db7baf6c326870f28e58977075b7b2fb243d
Merging this change closes #1672
COPYBARA_INTEGRATE_REVIEW=https://github.com/abseil/abseil-cpp/pull/1672 from MBkkt:optimize-str-join ddcbb2466b2c9c4048d60be7e58cf47f935c257d
PiperOrigin-RevId: 633988391
Change-Id: I2b3904211a29de3a768fb90a7fc106d7ff6c03e7
Diffstat (limited to 'absl/strings/internal/str_join_internal.h')
| -rw-r--r-- | absl/strings/internal/str_join_internal.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/absl/strings/internal/str_join_internal.h b/absl/strings/internal/str_join_internal.h index 440d47ff..3e730c7a 100644 --- a/absl/strings/internal/str_join_internal.h +++ b/absl/strings/internal/str_join_internal.h @@ -33,6 +33,7 @@ #include <cstdint> #include <cstring> +#include <initializer_list> #include <iterator> #include <limits> #include <memory> @@ -321,6 +322,15 @@ std::string JoinRange(const Range& range, absl::string_view separator) { return JoinRange(begin(range), end(range), separator); } +template <typename Tuple, std::size_t... I> +std::string JoinTuple(const Tuple& value, absl::string_view separator, + std::index_sequence<I...>) { + return JoinRange( + std::initializer_list<absl::string_view>{ + static_cast<const AlphaNum&>(std::get<I>(value)).Piece()...}, + separator); +} + } // namespace strings_internal ABSL_NAMESPACE_END } // namespace absl |