feat: add range constructor and back accessors to webcc::vector

Author: io-eric

include/webcc/core/vector.h

@@ -53,6 +53,15 @@ namespace webcc
             (push_back(static_cast<T>(rest)), ...);
         }
 
+        template <typename InputIt, typename = enable_if_t<__is_pointer(InputIt)>>
+        vector(InputIt first, InputIt last)
+        {
+            for (; first != last; ++first)
+            {
+                push_back(static_cast<T>(*first));
+            }
+        }
+
         explicit vector(size_t count)
         {
             resize(count);
@@ -326,6 +335,9 @@ namespace webcc
         T *data() { return m_data; }
         const T *data() const { return m_data; }
 
+        T &back() { return m_data[m_size - 1]; }
+        const T &back() const { return m_data[m_size - 1]; }
+
         size_t size() const { return m_size; }
         size_t capacity() const { return m_capacity; }
         bool empty() const { return m_size == 0; }