priority_queue::top (STL/CLR)

存取最高優先順序項目。

    reference top();

備註

成員函式會傳回受控制序列必須為非空白的頂端 (最高優先順序) 項目的參考。您可以用它來存取的最高優先順序項目，當您知道它的存在。

範例

// cliext_priority_queue_top.cpp 
// compile with: /clr 
#include <cliext/queue> 
 
typedef cliext::priority_queue<wchar_t> Mypriority_queue; 
int main() 
    { 
    Mypriority_queue c1; 
    c1.push(L'a'); 
    c1.push(L'b'); 
    c1.push(L'c'); 
 
// display initial contents " a b c" 
    for each (wchar_t elem in c1.get_container()) 
        System::Console::Write(" {0}", elem); 
    System::Console::WriteLine(); 
 
// inspect last item 
    System::Console::WriteLine("top() = {0}", c1.top()); 
 
// alter last item and reinspect 
    c1.top() = L'x'; 
    for each (wchar_t elem in c1.get_container()) 
        System::Console::Write(" {0}", elem); 
    System::Console::WriteLine(); 
    return (0); 
    } 
 

需求

標頭: < cliext/佇列 >

Namespace: cliext

請參閱

參考

priority_queue (STL/CLR)

priority_queue::top_item (STL/CLR)