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authorGravatar Abseil Team <absl-team@google.com>2019-04-04 08:13:57 -0700
committerGravatar Gennadiy Rozental <rogeeff@google.com>2019-04-04 16:07:58 -0400
commit666fc1266bccfd8e6eaaa084e7b42580bb8eb199 (patch)
tree9a9366d8846fb3905f3f224d0e90b9de9d5f730b /absl/hash
parent93dfcf74cb5fccae3da07897d8613ae6cab958a0 (diff)
Export of internal Abseil changes.
-- bc89d3221e3927d08881d75eeee0e8db862300fa by Benjamin Barenblat <bbaren@google.com>: Clean up C-style casts in `ABSL_ASSERT` PiperOrigin-RevId: 241932756 -- 17482daae4b3e2fc725b759586590ac466b72a1e by Jon Cohen <cohenjon@google.com>: Move Gtest-specific CMake code to its own directory PiperOrigin-RevId: 241920192 -- 9ae52b4f665625352c0a789cff884bde492c28f5 by CJ Johnson <johnsoncj@google.com>: Moves private data methods from InlinedVector to InlinedVector Storage in anticipation of migrating the Rep union type PiperOrigin-RevId: 241794144 -- 95315bc50a61a0aae4f171b44c2312158a43e72e by Jon Cohen <cohenjon@google.com>: Use /DNOMINMAX in Abseil tests. This offsets inlcudes of <windows.h> from gtest. PiperOrigin-RevId: 241790584 -- ee505c7f2ab99d29c165ea21a07190474f64053d by CJ Johnson <johnsoncj@google.com>: Adds inlined_vector_internal to the deps of inlined_vector in CMakeLists.txt PiperOrigin-RevId: 241775332 -- 94eb5165b49bab59ce7de143be38a4581d5658da by CJ Johnson <johnsoncj@google.com>: Migrates InlinedVector Storage to class Metadata for compatibility with the eventual member-wise migration to the new exception safe implementation PiperOrigin-RevId: 241633420 -- f99e172caad1ec8b35bf7bbabaf2833d55a6f055 by Abseil Team <absl-team@google.com>: Add MSVC specific linker flags only to MSVC builds. PiperOrigin-RevId: 241615711 -- 3ad19d2779281e945bdf56643dc5cee3f730eb4f by Abseil Team <absl-team@google.com>: Add a comment about per-process randomization of absl::Hash. PiperOrigin-RevId: 241583697 -- 8dfb02d725fee3528351b2da4ed32a7455f9858a by Tom Manshreck <shreck@google.com>: Internal change PiperOrigin-RevId: 241564734 GitOrigin-RevId: bc89d3221e3927d08881d75eeee0e8db862300fa Change-Id: Ibad3da416d08a96ec1f8313f8b519b4270b7e01a
Diffstat (limited to 'absl/hash')
-rw-r--r--absl/hash/hash.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/absl/hash/hash.h b/absl/hash/hash.h
index c0ede35a..339b685f 100644
--- a/absl/hash/hash.h
+++ b/absl/hash/hash.h
@@ -36,6 +36,10 @@
// framework by simply combining its state with the state of known, hashable
// types. Hashing of that combined state is separately done by `absl::Hash`.
//
+// One should assume that a hash algorithm is chosen randomly at the start of
+// each process. E.g., absl::Hash<int>()(9) in one process and
+// absl::Hash<int>()(9) in another process are likely to differ.
+//
// Example:
//
// // Suppose we have a class `Circle` for which we want to add hashing