##### cppreference.com

##### Search

Create account

##### Namespaces

- Page
- Discussion

##### Variants

##### Views

- View
- Edit
- History

##### Actions

# std::deque::clear

From cppreference.com
< cpp‎ | container‎ | deque

[edit template]

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.

### [edit] Parameters

(none)

### [edit] Return value

(none)

### [edit] Exceptions

(none) | (until C++11)
`noexcept` specification: noexcept | (since C++11)

### [edit] 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)
`clear` has linear complexity for sequence containers. | (since C++14)

### [edit] See also

erase | erases elements (public member function) [edit]

Retrieved from "http://en.cppreference.com/mwiki/index.php?title=cpp/container/deque/clear&oldid=50452"