boost::algorithm::any_of_equal
// In header: <boost/algorithm/cxx11/any_of.hpp> template<typename Range, typename V> BOOST_CXX14_CONSTEXPR bool any_of_equal(const Range & r, const V & val);
returns false on an empty range
Parameters:
r
The input range
val
A value to compare against
Returns:
true if any of the elements in the range are equal to 'val'