Merge branch 'support-lambda-expression' of https://github.com/nekko1119/iterator into nekko1119-support-lambda-expression

This commit is contained in:
Edward Diener
2016-12-16 04:22:44 -05:00
2 changed files with 22 additions and 4 deletions

View File

@ -96,6 +96,23 @@ int main(int argc, char * argv[])
assert(generated[i] == 42 + i);
cout << "function iterator test with stateful function object successful." << endl;
#if !defined(BOOST_NO_CXX11_LAMBDAS) && !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
// test the iterator with lambda expressions
int num = 42;
auto lambda_generator = [&num] { return num++; };
vector<int>().swap(generated);
copy(
boost::make_function_input_iterator(lambda_generator, 0),
boost::make_function_input_iterator(lambda_generator, 10),
back_inserter(generated)
);
assert(generated.size() == 10);
for(std::size_t i = 0; i != 10; ++i)
assert(generated[i] == 42 + i);
cout << "function iterator test with lambda expressions successful." << endl;
#endif // BOOST_NO_CXX11_LAMBDAS
return 0;
}