std::stack<T,Container>::size

From cppreference.com

size_type size() const;

Returns the number of elements in the container adaptor. Equivalent to: return c.size().

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Feature test macros (C++20)
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Concepts library (C++20)
Diagnostics library
Memory management library
Metaprogramming library (C++11)
General utilities library
Containers library
Iterators library
Ranges library (C++20)
Algorithms library
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Member functions
stack::stack
stack::~stack
stack::operator=
Element access
stack::top
Capacity
stack::empty
stack::size
Modifiers
stack::push
stack::push_range (C++23)
stack::emplace (C++11)
stack::pop
stack::swap (C++11)
Non-member functions
swap(std::stack) (C++11)
operator==operator!=operator<operator>operator<=operator>=operator<=> (C++20)
Helper classes
uses_allocator<std::stack> (C++11)
formatter<std::stack> (C++23)
Deduction guides(C++17)

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