std::stack<T,Container>::empty
bool empty() const; | (until C++20) | |
[[nodiscard]] bool empty() const; | (since C++20) |
Checks if the underlying container has no elements, i.e. whether c.empty().
Parameters
(none).
Return value
true if the underlying container is empty, false otherwise.
Complexity
Constant.
See also
| returns the number of elements (public member function) |
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