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# std::experimental::erase_if (std::unordered_multiset)

From cppreference.com
< cpp‎ | experimental

[edit template]

Defined in header `<experimental/unordered_set>` |  |
template <class Key, class Hash, class KeyEqual, class Alloc, class Predicate> void erase_if(std::unordered_multiset<Key,Hash,KeyEqual,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;
      }
    }

### [edit] Parameters

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

### [edit] Complexity

Linear.

### [edit] Example

| This section is incomplete Reason: no example

### [edit] See also

remove remove_if | removes elements satisfying specific criteria (function template) [edit]

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- Todo no example