hash: Add support for tuples
There is now builtin support for stdplus::hash<> and
stdplus::hashMulti(...) hashing std::tuple containers.
Change-Id: I0e0983c04d54302f00c811e5de0d949accee03d7
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/test/hash/tuple.cpp b/test/hash/tuple.cpp
new file mode 100644
index 0000000..1e87df6
--- /dev/null
+++ b/test/hash/tuple.cpp
@@ -0,0 +1,16 @@
+#include <stdplus/hash/tuple.hpp>
+
+#include <string>
+
+#include <gtest/gtest.h>
+
+namespace stdplus
+{
+
+TEST(HashTuple, Basic)
+{
+ std::tuple<std::string, int> a{"bacon", 2};
+ std::hash<decltype(a)>{}(a);
+}
+
+} // namespace stdplus