std::stack<T,Container>::empty - cppreference.com (original) (raw)

Checks if the underlying container has no elements. Equivalent to: return c.empty().

[edit] Parameters

(none)

[edit] Return value

true if the underlying container is empty, false otherwise.

[edit] Complexity

Constant.

[edit] Example

#include #include   int main() { std::stack stack; assert(stack.empty());   stack.push(42); assert(!stack.empty());   stack.pop(); assert(stack.empty()); }

[edit] See also

| | returns the number of elements (public member function) [edit] | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | | checks whether the container is empty (function template) [edit] |