Compareint intCompare10 20;解释

The line "Compare intCompare(10, 20);" is creating an instance of the "Compare" template class, specialized for the "int" type. The template class takes two template arguments, which specify the types of the values to be compared.

In this case, the template arguments are "int", indicating that the values being compared are integers. The instance of the class is named "intCompare".

The constructor of the "Compare" class is called with the arguments 10 and 20. This means that the instance "intCompare" will be initialized with these values. The constructor might perform some logic or store the values for later comparison.

Overall, this line of code is creating an instance of a specialized template class, and initializing it with the values 10 and 20