void clear(); |
Removes all elements from the container.
Invalidates any references, pointers, or iterators referring to contained elements. May invalidate any past-the-end iterators.
Leaves the capacity() of the vector unchanged.
Parameters
(none).
Return value
(none).
Exceptions
| (none) | (until C++11) |
noexcept specification: noexcept | (since C++11) |
Complexity
Linear in the size of the container.
clear is defined in terms of erase, which has linear complexity. | (until C++11) |
complexity of clear is omitted | (since C++11) (until C++14) |
clear has linear complexity for sequence containers. | (since C++14) |
See also
| erases elements (public member function) |
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