commit 85149eefe48ae065863041f6f5077455e4701d37
author William A. Kennington III <wak@google.com> Tue Jan 03 18:15:47 2023 -0800
committer William A. Kennington III <wak@google.com> Thu May 25 14:59:48 2023 -0700
tree 58c8172ea180567f1369e496a6ab22481d118775
parent b07a2ebe1dfe2a137800f51852d9b0a4f9c0d04b

hash: Add support for arrays

There is now builtin support for stdplus::hash<> and
stdplus::hashMulti(...) hashing std::array<> and C array containers.

Change-Id: I111511fcd2c1627011b47cf3593cc9d63d752c1a
Signed-off-by: William A. Kennington III <wak@google.com>

test/hash.cpp

diff --git a/test/hash.cpp b/test/hash.cpp
index d9bcd48..a49f1b4 100644
--- a/test/hash.cpp
+++ b/test/hash.cpp
@@ -1,5 +1,6 @@
 #include <stdplus/hash.hpp>
 
+#include <array>
 #include <string>
 #include <tuple>
 
@@ -12,8 +13,10 @@
 {
     EXPECT_EQ(0, hashMulti());
     EXPECT_EQ(2654435834, hashMulti(1, 2));
+    int s[4] = {1, 2, 3, 4};
+    std::array<uint16_t, 2> a = {3, 4};
     std::tuple<std::string, int> t = {"s", 8};
-    hashMulti(1, std::string("bacon"), nullptr, t);
+    hashMulti(1, std::string("bacon"), nullptr, s, a, t);
 }
 
 } // namespace stdplus

test/hash/array.cpp

diff --git a/test/hash/array.cpp b/test/hash/array.cpp
new file mode 100644
index 0000000..73d2892
--- /dev/null
+++ b/test/hash/array.cpp
@@ -0,0 +1,14 @@
+#include <stdplus/hash/array.hpp>
+
+#include <gtest/gtest.h>
+
+namespace stdplus
+{
+
+TEST(HashTuple, Basic)
+{
+    std::array<std::string, 2> a{"bacon", "sound"};
+    std::hash<decltype(a)>{}(a);
+}
+
+} // namespace stdplus

test/meson.build

diff --git a/test/meson.build b/test/meson.build
index ab788ff..1e15a0e 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -4,6 +4,7 @@
   'handle/copyable': [stdplus_dep, gtest_main_dep],
   'handle/managed': [stdplus_dep, gtest_main_dep],
   'hash': [stdplus_dep, gtest_main_dep],
+  'hash/array': [stdplus_dep, gtest_main_dep],
   'hash/tuple': [stdplus_dep, gtest_main_dep],
   'pinned': [stdplus_dep, gtest_main_dep],
   'raw': [stdplus_dep, gmock_dep, gtest_main_dep],