std::experimental::erase_if (std::map)

From cppreference.com

Defined in header <experimental/map>
template <class Key, class T, class Compare, class Alloc, class Predicate>
void erase_if(std::map<Key,T,Compare,Alloc>& c, Predicate pred);
(library fundamentals TS v2)

Erases all elements that satisfy the predicate pred from the container. Equivalent to

for (auto i = c.begin(), last = c.end(); i != last; ) {
  if (pred(*i)) {
    i = c.erase(i);
  } else {
    ++i;
  }
}

Parameters

c - container from which to erase
pred - predicate that determines which elements should be erased

Complexity

Linear.

Example

See also

removes elements satisfying specific criteria
(function template)