Initial Vexta Core v0.1.0 release

src/reverse_iterator.h

@@ -0,0 +1,39 @@
+// Taken from https://gist.github.com/arvidsson/7231973
+
+#ifndef DIGIBYTE_REVERSE_ITERATOR_H
+#define DIGIBYTE_REVERSE_ITERATOR_H
+
+/**
+ * Template used for reverse iteration in C++11 range-based for loops.
+ *
+ *   std::vector<int> v = {1, 2, 3, 4, 5};
+ *   for (auto x : reverse_iterate(v))
+ *       std::cout << x << " ";
+ */
+
+template <typename T>
+class reverse_range
+{
+    T &m_x;
+
+public:
+    explicit reverse_range(T &x) : m_x(x) {}
+
+    auto begin() const -> decltype(this->m_x.rbegin())
+    {
+        return m_x.rbegin();
+    }
+
+    auto end() const -> decltype(this->m_x.rend())
+    {
+        return m_x.rend();
+    }
+};
+
+template <typename T>
+reverse_range<T> reverse_iterate(T &x)
+{
+    return reverse_range<T>(x);
+}
+
+#endif // DIGIBYTE_REVERSE_ITERATOR_H