If you're complaining about const functions, as in "int foo(void) const;," it helps to think of it as declaring that the implicit "this" pointer being passed in

If you're complaining about const functions, as in "int foo(void) const;," it helps to think of it as declaring that the implicit "this" pointer being passed into the function as its first argument is being cast to type "FooType const * " rather than "FooType * ." The reason it has to go at the end of the function declaration is that member functions always have an implicit first argument unless they are static. This is also why you can't declare free functions as const functions. They don't have a "this" pointer with associated fields to manipulate.