| 1 | // io_ex1.cpp ----------------------------------------------------------// |
|---|---|
| 2 | |
| 3 | // Copyright 2010 Howard Hinnant |
| 4 | // Copyright 2010 Vicente J. Botet Escriba |
| 5 | |
| 6 | // Distributed under the Boost Software License, Version 1.0. |
| 7 | // See http://www.boost.org/LICENSE_1_0.txt |
| 8 | |
| 9 | /* |
| 10 | This code was adapted by Vicente J. Botet Escriba from Hinnant's html documentation. |
| 11 | Many thanks to Howard for making his code available under the Boost license. |
| 12 | |
| 13 | */ |
| 14 | |
| 15 | #include <boost/chrono/chrono_io.hpp> |
| 16 | #include <sstream> |
| 17 | #include <iostream> |
| 18 | #include <boost/assert.hpp> |
| 19 | |
| 20 | int main() |
| 21 | { |
| 22 | using namespace boost::chrono; |
| 23 | using std::cout; |
| 24 | |
| 25 | high_resolution_clock::time_point t0 = high_resolution_clock::now(); |
| 26 | std::stringstream io; |
| 27 | io << t0; |
| 28 | BOOST_ASSERT(!io.fail()); |
| 29 | cout << io.str() << '\n'; |
| 30 | BOOST_ASSERT(!io.fail()); |
| 31 | high_resolution_clock::time_point t1; |
| 32 | io >> t1; |
| 33 | BOOST_ASSERT(!io.fail()); |
| 34 | cout << io.str() << '\n'; |
| 35 | cout << t0 << '\n'; |
| 36 | cout << t1 << '\n'; |
| 37 | high_resolution_clock::time_point t = high_resolution_clock::now(); |
| 38 | cout << t << '\n'; |
| 39 | |
| 40 | cout << "That took "<< t - t0 << '\n'; |
| 41 | cout << "That took "<< t - t1 << '\n'; |
| 42 | |
| 43 | return 0; |
| 44 | } |
| 45 | |
| 46 | //~ 50908679121461 nanoseconds since boot |
| 47 | //~ That took 649630 nanoseconds |
| 48 | |
| 49 |