forked from boostorg/array
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
/* simple example for using class array<>
|
|
*
|
|
* Changelog:
|
|
* 20 Jan 2001 - Removed boolalpha use since stock GCC doesn't support it
|
|
* (David Abrahams)
|
|
*/
|
|
#include <iostream>
|
|
#include <boost/array.hpp>
|
|
|
|
int main()
|
|
{
|
|
// define special type name
|
|
typedef boost::array<float,6> Array;
|
|
|
|
// create and initialize an array
|
|
Array a = { { 42 } };
|
|
|
|
// access elements
|
|
for (unsigned i=1; i<a.size(); ++i) {
|
|
a[i] = a[i-1]+1;
|
|
}
|
|
|
|
// use some common STL container operations
|
|
std::cout << "size: " << a.size() << std::endl;
|
|
std::cout << "empty: " << (a.empty() ? "true" : "false") << std::endl;
|
|
std::cout << "max_size: " << a.max_size() << std::endl;
|
|
std::cout << "front: " << a.front() << std::endl;
|
|
std::cout << "back: " << a.back() << std::endl;
|
|
std::cout << "elems: ";
|
|
|
|
// iterate through all elements
|
|
for (Array::const_iterator pos=a.begin(); pos<a.end(); ++pos) {
|
|
std::cout << *pos << ' ';
|
|
}
|
|
std::cout << std::endl;
|
|
|
|
// check copy constructor and assignment operator
|
|
Array b(a);
|
|
Array c;
|
|
c = a;
|
|
if (a==b && a==c) {
|
|
std::cout << "copy construction and copy assignment are OK"
|
|
<< std::endl;
|
|
}
|
|
else {
|
|
std::cout << "copy construction and copy assignment FAILED"
|
|
<< std::endl;
|
|
}
|
|
|
|
return 0; // makes Visual-C++ compiler happy
|
|
}
|
|
|