skybison / runtime / view.h

/* Copyright (c) Facebook, Inc. and its affiliates. (http://www.facebook.com) */
#pragma once

#include <initializer_list>

#include "globals.h"
#include "utils.h"

namespace py {

template <typename T>
class View {
 public:
  constexpr View(const T* data, word length) : data_(data), length_(length) {}

  template <word N>
  View(const T (&data)[N]) : data_(data), length_(N) {}

  T get(word i) {
    DCHECK_INDEX(i, length_);
    return data_[i];
  }

  const T* data() { return data_; }

  word length() { return length_; }

  const T* begin() const { return data_; }
  const T* end() const { return data_ + length_; }

 private:
  const T* data_;
  word length_;
};

}  // namespace py