libcruft-util/view.hpp
Danny Robson 56b5c34b5d view: move implementation inline
this allows support for arbitrary iterator types
2015-09-22 18:31:47 +10:00

55 lines
1.3 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_VIEW_HPP
#define __UTIL_VIEW_HPP
#include <cstdlib>
#include <iostream>
namespace util {
template <typename T>
struct view {
public:
using value_type = typename std::iterator_traits<T>::value_type;
view (T first, T last);
T begin (void);
T end (void);
bool empty (void) const;
size_t size (void) const;
value_type& operator[] (size_t);
const value_type& operator[] (size_t) const;
bool operator== (view) const;
private:
T m_begin;
T m_end;
};
template <typename T>
std::ostream& operator<< (std::ostream&, view<T>);
}
#include "./view.ipp"
#endif