fixed indentation for uuid class

include/matador/utils/uuid.hpp

@@ -6,46 +6,39 @@
 #include <cstdint>
 
 namespace matador::utils {
-
 class uuid {
 public:
-    using uuid_array = std::array<uint32_t, 4>;
+  using uuid_array = std::array<uint32_t, 4>;
 
-    // Default constructor initializes to zero
-    uuid() = default;
+  // Default constructor initializes to zero
+  uuid() = default;
 
-    // Static UUID v4 generator
-    static uuid generate();
+  // Static UUID v4 generator
+  static uuid generate();
 
-    // Returns UUID as a string
-    [[nodiscard]] std::string str() const;
+  // Returns UUID as a string
+  [[nodiscard]] std::string str() const;
 
-    // Access to internal data
-    [[nodiscard]] const uuid_array& data() const;
+  // Access to internal data
+  [[nodiscard]] const uuid_array &data() const;
 
-    // Reset UUID to zero
-    void clear() { _data.fill(0); }
+  // Reset UUID to zero
+  void clear() { _data.fill(0); }
 
-    // Comparisons
-    friend bool operator==(const uuid& lhs, const uuid& rhs);
-    friend bool operator!=(const uuid& lhs, const uuid& rhs);
-    friend bool operator<(const uuid& lhs, const uuid& rhs);
+  // Comparisons
+  friend bool operator==(const uuid &lhs, const uuid &rhs);
+  friend bool operator!=(const uuid &lhs, const uuid &rhs);
+  friend bool operator<(const uuid &lhs, const uuid &rhs);
 
 private:
-    uuid_array _data{0, 0, 0, 0};
+  uuid_array _data{0, 0, 0, 0};
 };
 }
 
 // Hash specialization to allow use in unordered containers
-template <>
+template<>
 struct std::hash<matador::utils::uuid> {
-    std::size_t operator()(const matador::utils::uuid& u) const noexcept {
-        std::size_t h = 0;
-        for (const uint32_t val : u.data()) {
-            h ^= std::hash<uint32_t>{}(val) + 0x9e3779b9 + (h << 6) + (h >> 2);
-        }
-        return h;
-    }
+  std::size_t operator()(const matador::utils::uuid &u) const noexcept;
 };
 
 #endif //MATADOR_UUID_HPP