22 Containers library [containers]

22.3 Sequence containers [sequences]

22.3.8 Class template deque [deque]

22.3.8.5 Erasure [deque.erasure]

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template<class T, class Allocator, class U> typename deque<T, Allocator>::size_type erase(deque<T, Allocator>& c, const U& value);
1
#
Effects: Equivalent to: 
auto it = remove(c.begin(), c.end(), value);
auto r = distance(it, c.end());
c.erase(it, c.end());
return r;
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template<class T, class Allocator, class Predicate> typename deque<T, Allocator>::size_type erase_if(deque<T, Allocator>& c, Predicate pred);
2
#
Effects: Equivalent to: 
auto it = remove_if(c.begin(), c.end(), pred);
auto r = distance(it, c.end());
c.erase(it, c.end());
return r;