[Glacier] Add a basic Array and ArrayView class.

lib/glacier/container/array.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "glacier/container/array_view.h"
+
+namespace glcr {
+
+template <typename T>
+class Array {
+ public:
+  Array() : data_(nullptr), size_(0) {}
+
+  explicit Array(uint64_t size) : data_(new T[size]), size_(size) {}
+
+  Array(const ArrayView<T> view) : Array(view.size()) {
+    for (uint64_t i = 0; i < size_; i++) {
+      data_[i] = view[i];
+    }
+  }
+
+  Array(const Array&) = delete;
+
+  Array(Array&& other) : data_(other.data), size_(other.size_) {
+    other.data_ = nullptr;
+    other.size_ = 0;
+  }
+
+  Array& operator=(Array&& other) {
+    if (data_) {
+      delete[] data_;
+    }
+    data_ = other.data_;
+    size_ = other.size_;
+    other.data_ = nullptr;
+    other.size_ = 0;
+    return *this;
+  }
+
+  ~Array() {
+    if (data_) {
+      delete[] data_;
+    }
+  }
+
+  T* RawPtr() { return data_; }
+  const T* RawPtr() const { return data_; }
+
+  uint64_t size() const { return size_; }
+
+  T& operator[](uint64_t index) { return data_[index]; }
+  const T& operator[](uint64_t index) const { return data_[index]; }
+
+ private:
+  T* data_;
+  uint64_t size_;
+};
+
+}  // namespace glcr

lib/glacier/container/array_view.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <stdint.h>
+
+namespace glcr {
+
+template <typename T>
+class ArrayView {
+ public:
+  ArrayView() : data_(nullptr), size_(0) {}
+  ArrayView(const ArrayView&) = default;
+  ArrayView(T* data, uint64_t size) : data_(data), size_(size) {}
+
+  T* RawPtr() { return data_; }
+  const T* RawPtr() const { return data_; }
+
+  uint64_t size() const { return size_; }
+
+  T& operator[](uint64_t index) { return data_[index]; }
+  const T& operator[](uint64_t index) const { return data_[index]; }
+
+ private:
+  T* data_;
+  uint64_t size_;
+};
+
+}  // namespace glcr