diff options
| author |  Derek Mauro <dmauro@google.com> | 2023-11-16 07:25:40 -0800 |
|---|---|---|
| committer |  Copybara-Service <copybara-worker@google.com> | 2023-11-16 07:26:24 -0800 |
| commit | 524ebb7ea91d2955dc4c68c7e6fd2bed620621b5 (patch) | |
| tree | 05a8dd00057421cad8f53b7307da41a29b784bd5 /absl/hash/internal | |
| parent | 3bd86026c93da5a40006fd53403dff9d5f5e30e3 (diff) | |
Rollback providing AbslHashValue for std::filesystem::path in C++17
'path' is unavailable: introduced in iOS 13.0
PiperOrigin-RevId: 583036562
Change-Id: I5aea530d03c3317896c3c15bcf7cb5f9d8bc466a
Diffstat (limited to 'absl/hash/internal')
| -rw-r--r-- | absl/hash/internal/hash.h | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/absl/hash/internal/hash.h b/absl/hash/internal/hash.h index 003f3dde..e97cb315 100644 --- a/absl/hash/internal/hash.h +++ b/absl/hash/internal/hash.h @@ -56,10 +56,6 @@ #include "absl/types/variant.h" #include "absl/utility/utility.h" -#if ABSL_INTERNAL_CPLUSPLUS_LANG >= 201703L -#include <filesystem> // NOLINT -#endif - #ifdef ABSL_HAVE_STD_STRING_VIEW #include <string_view> #endif @@ -582,24 +578,6 @@ H AbslHashValue(H hash_state, std::basic_string_view<Char> str) { #endif // ABSL_HAVE_STD_STRING_VIEW -#if defined(__cpp_lib_filesystem) && __cpp_lib_filesystem >= 201703L - -// Support std::filesystem::path. The SFINAE is required because some string -// types are implicitly convertible to std::filesystem::path. -template <typename Path, typename H, - typename = absl::enable_if_t< - std::is_same_v<Path, std::filesystem::path>>> -H AbslHashValue(H hash_state, const Path& path) { - // This is implemented by deferring to the standard library to compute the - // hash. The standard library requires that for two paths, `p1 == p2`, then - // `hash_value(p1) == hash_value(p2)`. `AbslHashValue` has the same - // requirement. Since `operator==` does platform specific matching, deferring - // to the standard library is the simplest approach. - return H::combine(std::move(hash_state), std::filesystem::hash_value(path)); -} - -#endif // defined(__cpp_lib_filesystem) && __cpp_lib_filesystem >= 201703L - // ----------------------------------------------------------------------------- // AbslHashValue for Sequence Containers // ----------------------------------------------------------------------------- |