提交依赖与构建产物

kdl_install/include/kdl/utilities/hash_combine.h

@@ -0,0 +1,26 @@
+#ifndef KDL_HASH_COMBINE_H_
+#define KDL_HASH_COMBINE_H_
+
+#include <functional>
+
+namespace KDL
+{
+
+/**
+ * @brief Combine hash of object \p v to the \p seed
+ * @param seed Seed to append the hash of \p v
+ * @param v Object of which the hash should be appended to the seed
+ *
+ * Inspired by:
+ * @link https://github.com/boostorg/multiprecision/blob/boost-1.79.0/include/boost/multiprecision/detail/hash.hpp#L35-L41
+ */
+template <class T>
+inline void hash_combine(std::size_t& seed, const T& v)
+{
+  std::hash<T> hasher;
+  seed ^= hasher(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+}
+
+}
+
+#endif