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std_stack.3cxx

NAME

std::stack -

A standard container giving FILO behavior.

SYNOPSIS

Public Types

typedef _Sequence::const_reference const_reference

typedef _Sequence container_type

typedef _Sequence::reference reference

typedef _Sequence::size_type size_type

typedef _Sequence::value_type value_type

Public Member Functions

stack (const _Sequence &__c)

stack (_Sequence &&__c=_Sequence())

template<typename... _Args> void emplace (_Args &&...__args)

bool empty () const

void pop ()

void push (value_type &&__x)

void push (const value_type &__x)

size_type size () const

void swap (stack &__s)

const_reference top () const

reference top ()

Protected Attributes

_Sequence c

Friends

template<typename _Tp1 , typename _Seq1 > bool operator< (const stack< _Tp1, _Seq1 > &, const stack< _Tp1, _Seq1 > &)

template<typename _Tp1 , typename _Seq1 > bool operator== (const stack< _Tp1, _Seq1 > &, const stack< _Tp1, _Seq1 > &)

Detailed Description

template<typename _Tp, typename _Sequence = deque<_Tp>> class std::stack< _Tp, _Sequence >

A standard container giving FILO behavior.

Meets many of the requirements of a container, but does not define anything to do with iterators. Very few of the other standard container interfaces are defined.

This is not a true container, but an adaptor. It holds another container, and provides a wrapper interface to that container. The wrapper is what enforces strict first-in-last-out stack behavior.

The second template parameter defines the type of the underlying sequence/container. It defaults to std::deque, but it can be any type that supports back, push_back, and pop_front, such as std::list, std::vector, or an appropriate user-defined type.

Members not found in normal containers are container_type, which is a typedef for the second Sequence parameter, and push, pop, and top, which are standard stack/FILO operations.

Definition at line 92 of file stl_stack.h.

Constructor & Destructor Documentation

template<typename _Tp, typename _Sequence = deque<_Tp>> std::stack< _Tp, _Sequence >::stack (const _Sequence & __c) [inline, explicit]

Default constructor creates no elements.

Definition at line 130 of file stl_stack.h.

Member Function Documentation

template<typename _Tp, typename _Sequence = deque<_Tp>> bool std::stack< _Tp, _Sequence >::empty () const [inline]Returns true if the stack is empty.

Definition at line 142 of file stl_stack.h.

template<typename _Tp, typename _Sequence = deque<_Tp>> void std::stack< _Tp, _Sequence >::pop () [inline]

Removes first element. This is a typical stack operation. It shrinks the stack by one. The time complexity of the operation depends on the underlying sequence.

Note that no data is returned, and if the first element's data is needed, it should be retrieved before pop() is called.

Definition at line 208 of file stl_stack.h.

template<typename _Tp, typename _Sequence = deque<_Tp>> void std::stack< _Tp, _Sequence >::push (const value_type & __x) [inline]

Add data to the top of the stack. Parameters:

x Data to be added.

This is a typical stack operation. The function creates an element at the top of the stack and assigns the given data to it. The time complexity of the operation depends on the underlying sequence.

Definition at line 182 of file stl_stack.h.

template<typename _Tp, typename _Sequence = deque<_Tp>> size_type std::stack< _Tp, _Sequence >::size () const [inline]Returns the number of elements in the stack.

Definition at line 147 of file stl_stack.h.

template<typename _Tp, typename _Sequence = deque<_Tp>> reference std::stack< _Tp, _Sequence >::top () [inline]Returns a read/write reference to the data at the first element of the stack.

Definition at line 155 of file stl_stack.h.

template<typename _Tp, typename _Sequence = deque<_Tp>> const_reference std::stack< _Tp, _Sequence >::top () const [inline]Returns a read-only (constant) reference to the data at the first element of the stack.

Definition at line 166 of file stl_stack.h.

Author

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