[list.capacity] (original) (raw)

22 Containers library [containers]

22.3 Sequence containers [sequences]

22.3.10 Class template list [list]

22.3.10.3 Capacity [list.capacity]

void resize(size_type sz);

Preconditions: T is Cpp17DefaultInsertable into *this.

Effects:If size() < sz, appends sz - size() default-inserted elements to the sequence.

If sz <= size(), equivalent to:

list::iterator it = begin(); advance(it, sz); erase(it, end());

void resize(size_type sz, const T& c);

Preconditions: T is Cpp17CopyInsertable into *this.

Effects:As if by:

if (sz > size()) insert(end(), sz-size(), c); else if (sz < size()) { iterator i = begin(); advance(i, sz); erase(i, end()); } else ;