priority_queue::value_compare (STL/CLR)

 

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The ordering delegate for two values.

Syntax

binary_delegate<value_type, value_type, int> value_compare;  

Remarks

The type is a synonym for the delegate that determines whether the first argument is ordered before the second.

Example

// cliext_priority_queue_value_compare.cpp   
// compile with: /clr   
#include <cliext/queue>   
  
typedef cliext::priority_queue<wchar_t> Mypriority_queue;   
int main()   
    {   
    Mypriority_queue c1;   
    Mypriority_queue::value_compare^ vcomp = c1.value_comp();   
  
    System::Console::WriteLine("compare(L'a', L'a') = {0}",   
        vcomp(L'a', L'a'));   
    System::Console::WriteLine("compare(L'a', L'b') = {0}",   
        vcomp(L'a', L'b'));   
    System::Console::WriteLine("compare(L'b', L'a') = {0}",   
        vcomp(L'b', L'a'));   
    System::Console::WriteLine();   
  
// test a different ordering rule   
    Mypriority_queue c2 = cliext::greater<wchar_t>();   
    vcomp = c2.value_comp();   
  
    System::Console::WriteLine("compare(L'a', L'a') = {0}",   
        vcomp(L'a', L'a'));   
    System::Console::WriteLine("compare(L'a', L'b') = {0}",   
        vcomp(L'a', L'b'));   
    System::Console::WriteLine("compare(L'b', L'a') = {0}",   
        vcomp(L'b', L'a'));   
    return (0);   
    }  
  

compare
(L'a', L'a') = False  
compare
(L'a', L'b') = True  
compare
(L'b', L'a') = False  
  
compare
(L'a', L'a') = False  
compare
(L'a', L'b') = False  
compare
(L'b', L'a') = True  

Requirements

Header: <cliext/queue>

Namespace: cliext

See Also

priority_queue (STL/CLR)
priority_queue::value_comp (STL/CLR)
priority_queue::value_type (STL/CLR)