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honey the codewitch wrote:

preprocessor definitions that are private to the actual (in this case header) file they are contained in.

honey the codewitch wrote:

namespaces that are private to their header.

namespace foo
{
    namespace
    {
        int bar();
    }
    // bar() accessible here
}
// bar() not accessible here

honey the codewitch wrote:

you can create code generation facilities that introduce new keywords into the language

if(var1 == param1 || var1 == param2 || !(var1 == param3))
{
    //do stuff
}

if(var1 in (param1, param2, !param3))
{
   //do stuff
}

Daniel Pfeffer wrote:

How about the "aint not" operator?