不知方向的行走

all_of、all_of_equal、any_of、any_of_equal

is_sorted、is_sorted_until、is_increasing(decreasing)、is_strictly_increasing(decreasing)

template bool is_partitioned ( InputIterator first, InputIterator last, UnaryPredicate p ){// Run through the part that satisfy the predicate for ( ; first != last; ++first ) if ( !p (

templatebool is_permutation ( ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2 );templatebool is_permutation ( ForwardIterator1 first1, ForwardIterator1 last1,

template ForwardIterator partition_point ( ForwardIterator first, ForwardIterator last, Predicate p ){ std::size_t dist = std::distance ( first, last ); while ( first != last ) { std

clamp:template T const & clamp ( T const& val, typename boost::mpl::identity::type const & lo, typename boost::mpl::identity::type const & hi, Pred p ) {// assert ( !p ( hi, lo

std::equaltemplate class InputIterator1, class InputIterator2>bool equal ( InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);template class InputIterator1, class