| 1 | // Boost.Range library |
|---|---|
| 2 | // |
| 3 | // Copyright Neil Groves 2014. Use, modification and |
| 4 | // distribution is subject to the Boost Software License, Version |
| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
| 7 | // |
| 8 | // |
| 9 | // For more information, see http://www.boost.org/libs/range/ |
| 10 | // |
| 11 | // As reported in https://groups.google.com/forum/#!msg/boost-developers-archive/6JVNg7ZPb4k/RAlvPUec4MAJ |
| 12 | |
| 13 | #include <boost/range/iterator_range_core.hpp> |
| 14 | #include <boost/lambda/lambda.hpp> |
| 15 | #include <boost/algorithm/string.hpp> |
| 16 | |
| 17 | namespace boost |
| 18 | { |
| 19 | enum {unnamed}; |
| 20 | struct S { |
| 21 | bool operator<(int) const {return false;} |
| 22 | bool operator==(int) const {return false;} |
| 23 | }; |
| 24 | template<typename T> |
| 25 | bool foo(T i) |
| 26 | { |
| 27 | return i < unnamed || i == unnamed; |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | int main() |
| 32 | { |
| 33 | using boost::lambda::_1; |
| 34 | (void)(_1 == 42); |
| 35 | (void)(42 == _1); |
| 36 | |
| 37 | boost::foo(i: 42); |
| 38 | boost::foo(i: boost::S()); |
| 39 | } |
| 40 |