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title deque::at (STL/CLR) | Microsoft Docs
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ms.date 11/04/2016
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cpp-windows
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cliext::deque::at
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C++
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at member [STL/CLR]
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deque::at (STL/CLR)

Accesses an element at a specified position.

Syntax

reference at(size_type pos);

Parameters

pos
Position of element to access.

Remarks

The member function returns a reference to the element of the controlled sequence at position pos. You use it to read or write an element whose position you know.

Example

// cliext_deque_at.cpp   
// compile with: /clr   
#include <cliext/deque>   
  
int main()   
    {   
    cliext::deque<wchar_t> c1;   
    c1.push_back(L'a');   
    c1.push_back(L'b');   
    c1.push_back(L'c');   
  
// display contents " a b c" using at   
    for (int i = 0; i < c1.size(); ++i)   
        System::Console::Write(" {0}", c1.at(i));   
    System::Console::WriteLine();   
  
// change an entry and redisplay   
    c1.at(1) = L'x';   
    for (int i = 0; i < c1.size(); ++i)   
        System::Console::Write(" {0}", c1[i]);   
    System::Console::WriteLine();   
    return (0);   
    }  
  

a b c  
a x c

Requirements

Header: <cliext/deque>

Namespace: cliext

See Also

deque (STL/CLR)
deque::operator(STL/CLR)