void drop_while_example() {
from({ 1, 2, 3, 4 }) | drop_while([](int i) { return i < 2; }) | dump(); // 2 3 4
from({ 1, 2, 3, 4 }) | drop_while([](int i) { return i == 0; }) | dump(); // 1 2 3 4
from({ 1, 2, 1, 1 }) | drop_while([](int i) { return i == 1; }) | dump(); // 2 1 1
from({ 1, 2, 3, 4 }) | drop_while([](int i) { return i > 0; }) | dump(); // empty
}
Container trim_by(UnaryPredicate p, const Container& xs)
{
internal::check_unary_predicate_for_container<UnaryPredicate, Container>();
return trim_right_by(p, drop_while(p, xs));
}
Container trim_left(const T& x, const Container& xs)
{
return drop_while(is_equal_to(x), xs);
}
