| 1 | /* simple example for using class array<> | 
|---|
| 2 |  * | 
|---|
| 3 |  * (C) Copyright Nicolai M. Josuttis 2001. | 
|---|
| 4 |  * Distributed under the Boost Software License, Version 1.0. (See | 
|---|
| 5 |  * accompanying file LICENSE_1_0.txt or copy at | 
|---|
| 6 |  * http://www.boost.org/LICENSE_1_0.txt) | 
|---|
| 7 |  *  | 
|---|
| 8 |  * Changelog: | 
|---|
| 9 |  * 20 Jan 2001 - Removed boolalpha use since stock GCC doesn't support it | 
|---|
| 10 |  *               (David Abrahams) | 
|---|
| 11 |  */ | 
|---|
| 12 |  | 
|---|
| 13 | #include <iostream> | 
|---|
| 14 | #include <boost/array.hpp> | 
|---|
| 15 |  | 
|---|
| 16 | int main() | 
|---|
| 17 | { | 
|---|
| 18 |     // define special type name | 
|---|
| 19 |     typedef boost::array<float,6> Array; | 
|---|
| 20 |  | 
|---|
| 21 |     // create and initialize an array | 
|---|
| 22 |     Array a = { { 42 } }; | 
|---|
| 23 |  | 
|---|
| 24 |     // access elements | 
|---|
| 25 |     for (unsigned i=1; i<a.size(); ++i) { | 
|---|
| 26 |         a[i] = a[i-1]+1; | 
|---|
| 27 |     } | 
|---|
| 28 |  | 
|---|
| 29 |     // use some common STL container operations | 
|---|
| 30 |     std::cout << "size:     " << a.size() << std::endl; | 
|---|
| 31 |     std::cout << "empty:    " << (a.empty() ? "true" : "false") << std::endl; | 
|---|
| 32 |     std::cout << "max_size: " << a.max_size() << std::endl; | 
|---|
| 33 |     std::cout << "front:    " << a.front() << std::endl; | 
|---|
| 34 |     std::cout << "back:     " << a.back() << std::endl; | 
|---|
| 35 |     std::cout << "elems:    "; | 
|---|
| 36 |  | 
|---|
| 37 |     // iterate through all elements | 
|---|
| 38 |     for (Array::const_iterator pos=a.begin(); pos<a.end(); ++pos) { | 
|---|
| 39 |         std::cout << *pos << ' '; | 
|---|
| 40 |     } | 
|---|
| 41 |     std::cout << std::endl; | 
|---|
| 42 |  | 
|---|
| 43 |     // check copy constructor and assignment operator | 
|---|
| 44 |     Array b(a); | 
|---|
| 45 |     Array c; | 
|---|
| 46 |     c = a; | 
|---|
| 47 |     if (a==b && a==c) { | 
|---|
| 48 |         std::cout << "copy construction and copy assignment are OK" | 
|---|
| 49 |                   << std::endl; | 
|---|
| 50 |     } | 
|---|
| 51 |     else { | 
|---|
| 52 |         std::cout << "copy construction and copy assignment FAILED" | 
|---|
| 53 |                   << std::endl; | 
|---|
| 54 |     } | 
|---|
| 55 |  | 
|---|
| 56 |     return 0;  // makes Visual-C++ compiler happy | 
|---|
| 57 | } | 
|---|
| 58 |  | 
|---|