set::key_comp (STL/CLR)
Visual Studio 2015
The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at set::key_comp (STL/CLR).
Copies the ordering delegate for two keys.
key_compare^key_comp();
The member function returns the ordering delegate used to order the controlled sequence. You use it to compare two keys.
// cliext_set_key_comp.cpp
// compile with: /clr
#include <cliext/set>
typedef cliext::set<wchar_t> Myset;
int main()
{
Myset c1;
Myset::key_compare^ kcomp = c1.key_comp();
System::Console::WriteLine("compare(L'a', L'a') = {0}",
kcomp(L'a', L'a'));
System::Console::WriteLine("compare(L'a', L'b') = {0}",
kcomp(L'a', L'b'));
System::Console::WriteLine("compare(L'b', L'a') = {0}",
kcomp(L'b', L'a'));
System::Console::WriteLine();
// test a different ordering rule
Myset c2 = cliext::greater<wchar_t>();
kcomp = c2.key_comp();
System::Console::WriteLine("compare(L'a', L'a') = {0}",
kcomp(L'a', L'a'));
System::Console::WriteLine("compare(L'a', L'b') = {0}",
kcomp(L'a', L'b'));
System::Console::WriteLine("compare(L'b', L'a') = {0}",
kcomp(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
Header: <cliext/set>
Namespace: cliext
set (STL/CLR)
set::key_compare (STL/CLR)
set::key_type (STL/CLR)
Show: