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