priority_queue::top_item (STL/CLR)
存取最高優先權的項目。
property value_type back_item;
備註
屬性存取受控制序列的頂端 (最高優先權的) 項目,必須為非空白。 用來讀取或寫入最高優先權的項目,也就是說,當您知道它時。
範例
// cliext_priority_queue_top_item.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_item = {0}", c1.top_item);
// alter last item and reinspect
c1.top_item = L'x';
for each (wchar_t elem in c1.get_container())
System::Console::Write(" {0}", elem);
System::Console::WriteLine();
return (0);
}
需求
標題: <cliext/佇列>
命名空間: cliext