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Diffstat (limited to 'more/getting_started/detail/build-simple-head.rst')
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diff --git a/more/getting_started/detail/build-simple-head.rst b/more/getting_started/detail/build-simple-head.rst new file mode 100644 index 0000000000..487610e344 --- /dev/null +++ b/more/getting_started/detail/build-simple-head.rst @@ -0,0 +1,28 @@ +.. Copyright David Abrahams 2006. Distributed under the Boost +.. Software License, Version 1.0. (See accompanying +.. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +Build a Simple Program Using Boost +================================== + +To keep things simple, let's start by using a header-only library. +The following program reads a sequence of integers from standard +input, uses Boost.Lambda to multiply each number by three, and +writes them to standard output:: + + #include <boost/lambda/lambda.hpp> + #include <iostream> + #include <iterator> + #include <algorithm> + + int main() + { + using namespace boost::lambda; + typedef std::istream_iterator<int> in; + + std::for_each( + in(std::cin), in(), std::cout << (_1 * 3) << " " ); + } + +Copy the text of this program into a file called ``example.cpp``. + |