std::queue<T,Container>::empty (3) - Linux Manuals

std::queue<T,Container>::empty: std::queue<T,Container>::empty

NAME

std::queue<T,Container>::empty - std::queue<T,Container>::empty

Synopsis

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