vector::at (STL/CLR)

Article
06/05/2017

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The latest version of this topic can be found at vector::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_vector_at.cpp   
// compile with: /clr   
#include <cliext/vector>   
  
int main()   
    {   
    cliext::vector<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/vector>

Namespace: cliext

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